My DIY Off-Grid Solar Power System on a flat garage roof Marco Reps 2023-04-23 | Brymen Current Clamps welectron.com/Stromzangen5% off Brymen, Siglent & more: marcoreps5🇪🇺 SOK 48V 100Ah Server rack battery europe.sokbattery.com/product-page/sok-battery-100ah-48v-server-rack-battery?ref=VB9mYJEE🇺🇸 SOK 48V 100Ah Server rack battery sokbattery.com/products/48v-100ah-lifepo4-battery-user-serviceable-lifepo4-server-rack-battery?ref=lpQfdu2bUgnCQ6Support my shenanigans patreon.com/marcoreps00:00 Intro01:35 Mounting09:23 Electrical connection15:42 Batteries18:53 Conclusion
Datron Wavetek 4950 Transfer Standard Finishing Touches & Tests Marco Reps 2023-09-07 | Try PCBWays fast & affordable prototyping services pcbway.com/g/Tj5om7Raspberry Pis back in stock @ welectron.comRaspberry Pi GPIB shield http://elektronomikon.orgPrecision torque meter by mark-10.comMy data about 4950 github.com/marcoreps/datron_wavetek_49504950 vs 5700A cal script xdevs.com/doc/Wavetek/4950/calkit_4950.pyNoise spectral density plot tool github.com/macaba/NSD00:00 Intro00:53 Self test01:37 ACV pre-preamp03:59 Current assembly04:48 Input connector09:54 Worn out relay11:17 Cal setup13:30 Calibration test14:59 ACV linearity21:10 Special menu22:14 DCV linearity23:07 DCV noise
New CNC Spindle: Installation & First Chips with Spinogy X22 Marco Reps 2023-08-20 | Configure your Spinogy spindle here https://shop.spinogy.de/Integrated Servos & more welectron.com/RoboticsBehind the scenes videos sometimes patreon.com/marcorepsUnsafe warnings etsy.com/shop/UnsafeWarnings00:00 Intro00:25 ATC sensors01:03 °C sensors02:40 Encoder04:40 VFD control07:11 Runout08:15 Installation10:02 Tramming12:23 Cooling13:01 Cabinets14:45 Rambling16:47 First chip17:49 First parts18:54 Results#cnc #engineering #machining
1975 Voltage Standard Restoration & Improvement? 😬 Fluke 731B Marco Reps 2023-07-23 | Joulescope 🇪🇺 welectron.com/Jetperch-Joulescope-JS220-Precision-DC-Energy-AnalyzerJoulescope 🌎 joulescope.comUse marcoreps5 coupon for many brands at Welectron including Joulescope, Beymen & SiglentMore from me patreon.com/marcorepsEEVBlog Forum thread eevblog.com/forum/metrology/the-ltflu-(aka-sza263)-reference-zener-diode-circuit/msg905545/#msg905545Original circuit sim tinyurl.com/2mqa6krrModified circuit sim tinyurl.com/2naeonpjMore results here soon^TM github.com/marcoreps/ADRmu/tree/main/results00:00 Intro01:27 Teardown02:34 Reference PCB03:49 Circuit analysis08:27 Improvement?11:29 Battery stuff12:51 Joulescope14:54 Front assembly17:07 Modded reference18:51 First results#engineering #restoration #metrology
New Low Frequency Ultralow Noise Preamplifier: LFLNA-80 Marco Reps 2023-07-01 | eulerprecision.com/product/low-frequency-low-noise-amplifier-lflna-80High frequency near field probes welectron.com/Near-Field-Probes5% coupon on Siglent, Brymen & more at welectron: marcoreps5More from me: patreon.com/marcoreps00:00 Intro00:53 Specs02:22 Bode plot04:14 Dielectric absorption05:42 Fluke 731B test06:37 Battery charging07:02 Teardown07:55 DC Servo circuit08:51 Preamp circuit#engineering #metrology #noise
PCBs, Color marking, Nanoparticles, Focal point diameter, Lightburn w/ EM-Smart MOPA Fiber Laser Marco Reps 2023-06-28 | Site link: https://em-smart.store/ Item link: bit.ly/42ovsf6EM-Smart is currently running a huge promotion where all machines are on sale. Enjoy $500 off when your laser is over $2999, enjoy $300 off when your laser is under $2999.JPTs own annotated render MOPA 'teardown' youtube.com/watch?v=kKeYq7Lc8X0Time of flight 3D Camera for RPi welectron.com/Arducam-B0410-Time-of-Flight-Camera-for-Raspberry-Pi_1More from me patreon.com/marcoreps00:00 Intro00:40 No Teardown01:09 EZCAD 2 Lite01:33 Lightburn02:13 Color marking03:26 PCB structuring06:49 Nanoparticles07:39 Focal spot size08:23 High power marking
20W EM-Smart MOPA Desktop Fiber Laser Engraver Review Marco Reps 2023-05-20 | $180 off code: MarcoSite link: https://em-smart.store/ Item link: bit.ly/42ovsf6Digital Microscopes welectron.com/Inspection-Microscopes00:00 Intro00:27 Setup01:20 In the box01:49 Software05:17 Quick start06:33 Raster image08:52 Safety10:31 Why MOPA
Ultra Precise Multimeter* Datron 4950 Repair** & Analysis Marco Reps 2023-05-19 | PCBWays precise prototyping service pcbway.com/g/Tj5om7Benchtop DMMs at Welectron welectron.com/Benchtop_1More from me sometimes patreon.com/marcoreps4950 with delidded resistor networks eevblog.com/forum/metrology/datron-4950-multifunction-transfer-standard/msg1097247/#msg1097247Inside axial Vishay foil resistors eevblog.com/forum/metrology/teardown-standard-resistors/msg891676/#msg891676Voltage reference module schematic xdevs.com/doc/Wavetek/4920M/pdf/datron_ltzref.pdf00:00 Intro03:37 Teardown05:08 Digital board07:24 Current board09:55 Ohms board16:05 Front assembly17:24 AC assembly24:59 DC main board32:08 Result :\#metrology #repair #engineering
25 FPS Thermal Camera Test & Teardown: Vevor SC240M w/ Infiray C200 Sensor Marco Reps 2023-05-15 | Vevor Code: VVMH5%OFF (5% off on all products)DE site: https://s.vevor.com/bfQbpX (Visible light camera)DE site: https://s.vevor.com/bfQhwH (No visible light camera)EU site: https://s.vevor.com/bfQa29US site: https://s.vevor.com/bfQbqeAU site: https://s.vevor.com/bfQbqkWelectron code: marcoreps5 (5% off Brymen, Siglent)Lab Equipment: welectron.com/Lab-Equipment00:00 Intro01:07 Unboxing01:53 Boot time02:42 Durability03:12 µelectronics04:46 Display brightness05:57 Recording07:05 Summary07:40 Teardown
Spinogy X22: New CNC Spindle unboxing & Small Factory Tour Marco Reps 2023-05-14 | Spinogy video about labyrinth seal 🇩🇪 youtube.com/watch?v=3ph_ahGs2cUConfigure your Spinogy spindle here https://shop.spinogy.de/Integrated Servos & more welectron.com/RoboticsBehind the scenes videos sometimes patreon.com/marcorepsUnsafe warnings etsy.com/shop/UnsafeWarnings00:00 Intro00:22 Factory tour02:22 Balancing05:28 Unboxing06:16 Water cooler07:09 Pneumatic box08:08 Electric box09:11 Accessories10:19 Spindle11:09 Labyrinth seal
Bluetti EP600 Overview & Remaining Solar Roof #balkonkraftwerk Marco Reps 2023-04-25 | BLUETTI Muttertagsgeschenke | Erhalten Sie bis zu 25 % Rabatt !bit.ly/3B2j8oU①Larger BLUETTI EP600 & B500 ESS - solution for a whole house:http://bit.ly/3GmZLuC②BLUETTI balcony power plant with storage：bit.ly/3ZkrXnR
Dabbsson DBS2300 Portable Power Station Review & Teardown Marco Reps 2023-04-06 | DBS2300 Home Backup Power Station | 2330Wh https://dada.link/gIDz-tUse Code "MARCO500" to get the exclusive discount (500 USD off)
New Best Voltage Reference? Testing & Using ADR1000 as a Standard Marco Reps 2023-02-07 | Order your high quality ADRmu boards from PCBWay pcbway.com/project/shareproject/ADRmu_10V_DC_reference_standard_6f7d92af.htmlMiniware MDP portable lab power supplies welectron.com/Modular_1LTZ die shots https://www.richis-lab.de/REF03.htmADR die shots https://www.richis-lab.de/REF19.htmMiniware reflow hot plate banggood.com/custlink/DKDrAD9yqUR&S®MXO 4 Oscilloscope rohde-schwarz.com/us/products/test-and-measurement/oscilloscopes/rs-mxo-4-oscilloscope_63493-1164992.htmlCustom foil resistors & networks foilresistors.com/foil-resistorsR&S Custom FRA Python script github.com/RPG-Engineering/RSscope_scriptsADR1000 product page analog.com/en/products/adr1000.htmlCarl Nelson interview electronicdesign.com/technologies/analog/article/21805566/an-interview-with-analog-guru-carl-nelsonMore ADR1000 logs eevblog.com/forum/metrology/lowest-drift-lowest-noise-voltage-referenceADRmu project github.com/marcoreps/ADRmuStar ground simulation tinyurl.com/2yawdkfrLTZ / ADR simulation tinyurl.com/2am7e8n2The goal eu.flukecal.com/products/electrical-calibration/electrical-standards/732c-734c-dc-voltage-reference-standardsThe best lab temperature controllers arroyoinstruments.comCreality Halot 3D Printer bit.ly/3KIBbEACreality Washing/Curing Machine bit.ly/3TwV0mF Purchases through some of these links help the Marco Reps channel with a small commission. These affiliate links don't cost you anything extra.00:00 Intro00:38 ADR history03:02 ADR die04:30 ADR datasheet05:08 Project background07:14 Ref schematic08:24 Ratio stability10:06 PSU schematic11:00 Buffer schematic13:20 PCB layout16:08 PCBWay18:02 SMT assembly19:41 THT assembly23:03 Vishay foil network25:16 ADR availability27:01 Output protection28:45 Mechanical30:22 Other trim levels30:52 Tempco adjustment34:58 ( ͡° ͜ʖ ͡°)37:37 Tempco done39:34 Accelerated aging41:06 Results49:56 Noise54:49 Conclusion#ADR1000 #Voltnut #metrology
Review & Teardown: Enjoywood M4 fiber laser engraver Marco Reps 2022-11-12 | Banggood: https://ban.ggood.vip/12Myn$1199.99 Coupon: BGEWM4Amazon: https://www.amazon.de/dp/B0BGHP8PFV?maas=maas_adg_A76429A3CAD849906543CCF11EF0CEA7_afap_abs&ref_=aa_maas&tag=maasBrymen Multimeters welectron.com/navi.php?k=5&Sortierung=11More from me: patreon.com/marcorepsTinyFPGA Bx github.com/tinyfpga/TinyFPGA-BXBanggoood Double Eleven promotionGlobal Shopping Festival https://ban.ggood.vip/12MyoElectronics and Appliance Sale https://ban.ggood.vip/12MyqDIY Tools & Auto and Moto https://ban.ggood.vip/12Mys00:00 Intro01:24 Software02:20 Line width03:00 PCB Making06:15 Mixed thoughts07:35 Power estimation08:45 Teardown#fiberlaser #laserengraving
CNC Motion Control over Ethernet Cable! Leadshine, LinuxCNC & EtherCAT Marco Reps 2022-10-31 | Leadshine ELP-EC400F Drive leadshine.com/product-detail/EL7-EC400F.htmlMotor ELM1 Series (23bit magnetic encoder) leadshine.com/products/servo/servo-motor/elm1-series.htmlMotor ELM2 Series (23bit optical encoder) leadshine.com/products/servo/servo-motor/elm2-series.htmlMore from me patreon.com/marcorepsBrymen Multimeters welectron.com/navi.php?k=5&Sortierung=11&af=0Job listings at Welectron welectron.com/JobsNew LattePanda 3 Delta dfrobot.com/product-2594.html?tracking=62e9de4b219d7EtherCAT Master on LinuxCNC instructions gist.github.com/Bouni/8b4532d0bdf012bd83c65d3eb62f8aa2Applied Science Laser diode range-finding youtube.com/watch?v=MUdro-6u2Zg00:00 Intro02:16 Hardware05:53 First setup08:39 Inertia ratio10:27 Gains11:37 Vibration Filter12:47 EtherCAT14:37 EtherCAT on LinuxCNC21:17 Testing22:38 23 bit resolution24:24 Drive teardownStock footage provided by Videvo, downloaded from videvo.net#CNC #ethercat #linuxcnc
Review & Teardown: ComMarker B4 20W Fiber Laser Engraver Marco Reps 2022-10-27 | Commarker offical link: commarker.com/product/b4-laser-engraver Amazon sale link: amazon.com/gp/product/B0BW8HWRBX?th=1Brymen Multimeters welectron.com/navi.php?k=5&Sortierung=11More from me: patreon.com/marcorepsUnsafe Warning Stickers etsy.com/shop/UnsafeWarningsOrangeCrab FPGA board github.com/orangecrab-fpga/orangecrab-hardware00:00 Intro01:35 Unboxing02:32 Setup03:22 Software04:18 Focus04:59 First pewpew06:05 Usable Area07:17 Goggles09:09 Spot size10:13 Engraving metal11:32 Resistor trimming12:25 Unsuitable materials13:22 Serial numbering15:01 Milling & Cutting15:48 Color engraving16:34 Rotary axis17:47 Ceramic scoring18:40 PCBs20:55 Integrated circuits21:50 Teardown24:34 Conclusion
Review + Teardown: EcoFlow Power Kits Modular Solar Backup Power System Marco Reps 2022-10-26 | Check out EcoFlows new Power Kits system via the links below! A reliable, extendable power supply backup for vehicles and homes. They charge with solar-, alternator-, generator- and grid-power and deliver clean 110/230 V AC later.AustraliaShopify: au.ecoflow.com/collections/ecoflow-power-kits?aff=19Amazon: https://www.amazon.com.au/dp/B0BG5GBG8V?ref=myi_title_dp====================================================================USus.ecoflow.com/collections/power-kits?aff=505====================================================================Europe(Germany)de.ecoflow.com/collections/power-kits?aff=127Brymen Multimeters welectron.com/navi.php?k=5&Sortierung=11&af=0More from me: patreon.com/marcoreps00:00 Intro01:25 Cost Competition04:08 Delivery04:39 Battery05:07 Design05:41 Setup06:11 Display07:06 Settings07:21 2 things missing08:11 Outputs08:33 Distribution panel09:38 Panel power measurement10:29 Safety12:09 AC out power13:10 X-Boost14:18 Bypass14:33 AC Charge14:48 AC Efficiency15:58 Solar Charge16:57 Solar Voc?18:19 Low voltage charge18:41 AC Power quality19:39 My conclusion20:14 Battery teardown22:37 Power Hub teardown#ecoflow #solar #lifepo4
First look: GWEIKE Cloud Pro Fast & Precise CO2 Laser Cutter Marco Reps 2022-10-03 | GWEIKE Shop here shop.gweikecloud.com/?ref=qcl2cVeQ200$ off with coupon code Marco200This machine supports both cloud and offline software.HEPA Fume extractors welectron.com/AbsaugstationenMore from me patreon.com/marcoreps00:00 Intro02:11 Acessories04:20 Machine details06:24 Safety08:07 Cloud software#gweikelaser #laser #co2laser
LUXURIOUS JBC 4 Channel Rework Station - Soldering Bench Upgrade Ep2 Marco Reps 2022-10-01 | Soldering Stations welectron.com/Soldering-StationsSolder pot for Excalibur Challenge banggood.com/custlink/vGmEMy6gVQUnsafeWarnings stickers etsy.com/shop/UnsafeWarningsMore from me patreon.com/marcorepsuSMD 555 project github.com/arthurbenemann/usmd00:00 Intro01:32 Unboxing02:28 Setup05:57 Power on06:54 User interface09:49 Desoldering tool14:24 Tweezers17:49 General purpose iron24:11 Precision iron28:25 Teardown#JBC #soldering
Affordable? Extendable? LiFePO4 Power Station: Pecron E2000LFP Review Marco Reps 2022-09-12 | E2000LFP pecron.com/products/pecron-e2000lfp-portable-power-station#ref=8110% discount code: MARE2000LFPDiesel Air heater banggood.com/custlink/Gm3ccRKH2ABrymen Multimeters welectron.com/navi.php?k=5&suche=&Sortierung=115% discount code: marcoreps5Job listings at Welectron welectron.com/JobsNew LattePanda 3 Delta dfrobot.com/product-2594.html?tracking=62e9de4b219d7Similar Thermal Camera banggood.com/custlink/DvDWcdK52M00:00 Intro00:30 Specs01:09 Accessories03:00 E2000LFP basics04:04 Inverter power04:38 DC outputs05:21 Expansion port07:16 Teardown11:44 Inverter Waveform12:00 Charge inputs13:12 Conclusion
Scrap Keithley 2400 SourceMeter Repair Attempt Marco Reps 2022-09-05 | $2 PCBs & NEW discounted colors → jlcpcb.com/IYBFinest soldering stations welectron.com/Soldering-StationsNew TL866-3G EPROM multitool https://s.click.aliexpress.com/e/_DkTOFijCreality Halot 3D Printer bit.ly/3KIBbEACreality Washing/Curing Machine bit.ly/3TwV0mF More from me patreon.com/marcorepsKeithley 2000 series ferrite holder thingiverse.com/thing:5491248Keithley 2000 series Benchkit 3D models thingiverse.com/thing:2401474Bootstrapped OPA simulation tinyurl.com/2jnzoqfhV & I clamps simulation tinyurl.com/2pgxz8duSupply selection simulation http://tinyurl.com/yy2vch3vxDevs article xdevs.com/fix/kei2400OG @EEVblog Teardown youtube.com/watch?v=DJ2nzvX2gBc00:00 Intro00:28 Inspection02:36 Firmware03:29 Front panel03:52 AC/DC PSU04:50 Display07:43 Digital section09:17 Analog board11:35 Power food chain14:37 Output stage17:02 Hot DACs in your neighborhood18:13 Misc analog19:13 MicroManager19:58 Mechanical
New in EU: SOK Server Rack mount LiFePO4 batteries! Teardown & Review Marco Reps 2022-08-05 | 🇪🇺 SOK 48V 100Ah Server rack battery europe.sokbattery.com/product-page/sok-battery-100ah-48v-server-rack-battery?ref=VB9mYJEE🇺🇸 SOK 48V 100Ah Server rack battery sokbattery.com/products/48v-100ah-lifepo4-battery-user-serviceable-lifepo4-server-rack-battery?ref=lpQfdu2bUgnCQ6Raspberry Pi 4 B Bundle in Stock welectron.com/OKdo-Raspberry-Pi-4-B-4-GB-Premium-Starter-Kit_1Support my LiFePO4 addiction patreon.com/marcoreps00:00 Intro01:09 Overview02:32 Why LiFePO403:40 Teardown07:20 Low Temp Charge Protection08:03 Setup11:41 Realistic test14:00 Overcurrent15:15 Summary
Can my lab run on this power station all day? Bluetti AC200MAX Review + Teardown Marco Reps 2022-07-26 | 🇪🇺 Bluetti AC200MAX + B230 bit.ly/3PEP6Nh🇺🇸 Bluetti store bit.ly/3zm1M6FRaspberry Pi Swag welectron.com/Raspberry-Pi_3Welectron is hiring welectron.com/jobsMore from me patreon.com/marcoreps00:00 Intro01:27 Setup02:29 Charging05:20 App06:13 Outputs06:41 Extension Battery07:13 AC inverter07:52 Capacity08:40 Electrical hookup09:19 Consumers10:17 Breakfast10:57 PC Work11:41 Lunch break13:16 Max power15:43 Wakeup quirks16:23 Teardown B23020:18 Teardown AC200MAX24:13 Conclusion
ADRmu Battery Module - An uninterruptible power supply for 10V Standards Marco Reps 2022-07-12 | $2 PCBs & NEW discounted colors → jlcpcb.com/IYBJBC & other soldering stations welectron.com/LoetstationenWelectron is hiring welectron.com/jobsMore from me patreon.com/marcorepsWe could've probably just used 😅 banggood.com/custlink/m3vETcnvpnADRmu UPS project github.com/marcoreps/ADRmu/tree/main/module_batterySome back of the envelope calculations tinyurl.com/2pctnmc300:00 Intro01:20 Requirements01:40 Parts selection02:47 Protector circuit03:28 Charger circuit04:09 LTC407906:33 Fuel gauge06:45 JLCPCB07:51 Assembly08:53 Tests
Thermal Chamber for new High Power Arroyo TECSource Marco Reps 2022-06-27 | Check out PCBWays rapid prototyping pcbway.com/rapid-prototypingTemperature controllers and laser drivers arroyoinstruments.comJBC soldering tools welectron.com/Soldering-StationsSummer Sale at Banggood https://ban.ggood.vip/126tEMore from me patreon.com/marcoreps00:00 Intro00:47 Arroyo Overview03:22 Arroyo Teardown06:08 Chamber CAD07:13 PCBWay Ordering08:21 Chamber outsides11:12 PCBWay Delivery12:14 Chamber Assembly15:30 Chamber testing
Qidi X-CF Pro: A Special 3D Printer for High Performance Materials Marco Reps 2022-05-04 | Qidi Tech Website qidi3d.com/products/qidi-tech-x-cf-pro-industrial-grade-3d-printer Qidi X-CF Pro on Geekbuying geekbuying.com/item/QIDI-TECH-X-CF-Pro-Industrial-Grade-3D-Printer-494926.htmlBehind the scenes videos sometimes patreon.com/marcoreps*Some* Raspi kits on stock: welectron.com/Boards_1MihaiDesigns on dual gear extruders youtube.com/watch?v=32dTLRNIYmwAnnealing of fibre reinforced polyamide doi.org/10.1016/j.compositesb.2021.109119Harmonic Drive model thingiverse.com/thing:2951164Marlin on Chitu hackaday.io/project/167594-chitu-3d-printer-mainboard-hackingPrinter benchmark model thingiverse.com/thing:1363023Chitu Configuration M Codes http://www.customize-3d.com/chitu-g-code-explained.html00:00 Intro00:35 Specs01:40 Setup03:47 Drying box05:18 High Temp Extruder06:59 Low Temp Extruder07:47 PLA Cal Cube09:33 PLA Maker's Muse Clearance Castle10:18 Fan Shrouds10:53 ctrlV Printer benchmark11:23 Carbon Fiber Nylon13:57 Harmonic Gearbox16:21 Mechanical construction19:06 Electronics20:33 Conclusion21:50 Printing PEKK#qidi #3dprinter #review
What has Keysight done to 3458A?! Dark Theme 8.5 Digit Multimeter Marco Reps 2022-05-01 | Sign up for Keysight Live from the Lab with +1 bonus entry bit.ly/Keys-MarcoMore about 3458A keysight.com/us/en/product/3458A/digital-multimeter-8-5-digit.htmlSubscribe to Keysight Labs youtube.com/user/KeysightOscilloscopeKeysight Benchtop PSUs welectron.com/Keysight-E36310A-Benchtop-Power-Supply-SeriesWant to work for a test gear & embedded tech supplier? welectron.com/jobsExclusive content sometimes patreon.com/marcorepsUnsafe warning stickers etsy.com/shop/UnsafeWarningsMy vid about tech in the HP predecessor youtube.com/watch?v=upTgM_S5rAQCalibrator logs github.com/marcoreps/5700A/tree/master/logs3458A vs B noise test github.com/marcoreps/multiinstrumentalist/blob/master/csv/3458A_vs_B_noise.ipynbLow thermal EMF scanner github.com/c-lan/low-temf-scannerxDevs ITRI CMS NML Taiwan article xdevs.com/article/si20193458A vs B INL test github.com/marcoreps/multiinstrumentalist/blob/master/csv/3458A_vs_B_INL.ipynbADC clamping simulation tinyurl.com/yyplse8pEEVblog John Kenny Keysight Interview youtu.be/fpstmpm_rFM?t=78600:00 Intro01:31 Calibrating standards03:16 Accuracy04:34 Calibrating calibrator05:10 HP 3458A AC cal05:43 Accessories06:24 Basics08:06 Noise08:58 Math & statistics10:02 AC volt10:48 Ohms12:01 Current12:32 Ratio13:19 So much more14:05 Long term test15:41 DCV Tempco16:41 Auto calibration18:51 Cal constants log19:45 Linearity21:28 Current tempco22:15 Outside thermals22:48 Teardown23:16 Processor board24:03 Analog main board24:43 Voltage reference25:15 Precision resistors27:04 Misc parts28:14 Interface board28:27 AC board29:04 ADC board lore31:58 ADC board swap?33:18 Conclusion#metrology #keysight #multimeter
LiFePO4 inside: Anker 521 Portable Power Station Marco Reps 2022-04-25 | #AnkerPowerhouse #PortablePowerStationCheck out Anker 521 Portable Power Station: https://ankerfast.club/3rQ8hdw
Solar Power for Reps Labs + Ampere Time LiFePO4 Battery Review Marco Reps 2022-04-25 | Ampere Time 3% discount code (USA website): marco3 amperetime.com/?utm_source=YouTube&utm_medium=CPM&utm_campaign=marco Ampere Time 3% discount code (Germany website): marco3 https://www.amperetime.de/?utm_source=YouTube&utm_medium=CPM&utm_campaign=marco Ampere Time Amazon store (USA): amazon.com/dp/B084DB36KW?ref=myi_title_dp Ampere Time Amazon store (Germany): https://www.amazon.de/12V100Ah/dp/B0B12TXTBG DC Electronic loads welectron.com/DC-Electronic-LoadsHuge 18650 Power Wall youtube.com/watch?v=DAoCK3QNLngLiFePO4 Cell compression youtube.com/watch?v=cwBxe4cu3yo00:00 Intro00:47 Mounting02:49 Batteries04:06 LiFePO4 basics06:07 LiFePO4 shapes07:06 Ampere Time battery07:04 Capacity test09:47 Overcurrent test12:02 Teardown12:53 Internal construction14:07 Temperature protection15:12 Prismatic cells15:38 Coming up next#AmpereTime #Lithium #Battery
All New Everything - Soldering Bench Upgrade for Productivity Ep1 Marco Reps 2022-04-12 | $2 for 1-4 Layer PCBs & NEW 3D printing service → jlcpcb.com/IYBBST-863 Hot air station banggood.com/custlink/KvGEUYecrLSimilar Microscope kit banggood.com/custlink/DmKy2WOcwZESD Mats welectron.com/SafeGuard-Premium-ESD-Table-MatRS Pro Bofa Fume extractor de.rs-online.com/web/p/lotrauchabsaugung/7645726Fake Loc-Line aliexpress.com/item/4000878162988.html^ probably not ESD dissipative material, better use genuine from:Loc-Line CAD models loc-line.com/home/cadMore from me: patreon.com/marcoreps00:00 Intro00:54 ESD mat01:27 Video light02:12 Air compressor03:03 Fume extractor04:34 Automating fume extractor09:04 Hot air station11:53 Microscope#soldering #microscope
Solar power to PPMs? Nitecore NPS600 Power Station overview Marco Reps 2022-03-10 | Nitecore NPS600 banggood.com/NITECORE-NPS600-165000mAh-165AH-220V-300W-LCD-Display-Portable-Outdoor-Power-Station-21700-Battery-Power-Generator-Power-Source-For-Hunting-Camping-Beach-Tour-p-1718850.html?p=KR28032004379201507P&cur_warehouse=CZ&ID=47184coupon BG670c89Brymen Multimeters welectron.com/Handheldcoupon marcoreps5More from me patreon.com/marcoreps00:00 Intro02:34 Teardown05:28 Tea time07:16 Inverter PCB08:27 Front panel10:08 Battery management11:34 Solar MPPT?14:16 Power Test gear?16:03 UPS?#solar #offgrid #battery
eXtReMe iSoLaTiOn ( Low Leakage Power in Precision Electronics ) Marco Reps 2022-03-02 | This board on PCBWay projects hub pcbway.com/project/shareproject/ADRmu_10V_DC_reference_standard_5fd4746f.htmlNITECORE 165AH Power Station banggood.com/NITECORE-NPS600-165000mAh-165AH-220V-300W-LCD-Display-Portable-Outdoor-Power-Station-21700-Battery-Power-Generator-Power-Source-For-Hunting-Camping-Beach-Tour-p-1718850.html?p=KR28032004379201507Pcoupon code: BG670c89Raspberry Pis & JBC tools in stock at welectron.comMore from me patreon.com/marcorepsThe list docs.google.com/spreadsheets/d/139WT1bAHAmnD6NX4IW7SPVKkw-OCP7QnEriZ-MRHLrwSplit bobbin transformer digikey.com/en/products/detail/signal-transformer/DP-241-4-12/952944Triple junction concentrator solar cells http://www.azurspace.com/index.php/en/products/products-cpv/cpv-solar-cellsFluke patent patents.google.com/patent/US8253427B2Keithley patent patents.google.com/patent/US9478351B2Wavetek paper eprintspublications.npl.co.uk/1888/1/bemc99-7.pdf00:00 Intro00:43 Normal transformers02:43 Fluke 732A04:11 Keysight 3458A04:55 Cheap switcher05:19 Good switcher06:02 CERN HPM717706:52 UPS transformer07:33 PCB transformer07:48 Fluke 5700A08:18 Qi Charger09:18 Split bobbin transformer10:34 Keithley 18211:09 Keithley 61711:21 eXtReMe iSoLaTiOn12:57 Silly? ideas13:43 Solar cell15:10 Battery power15:48 Fluke patent16:27 Keithley patent17:34 Wavetek patent22:09 What I did24:06 Results#metrology #voltnut #isolation
Vacuum Robot makes Disinfectant from Water - Midea S8+ Review Marco Reps 2022-02-21 | Get the Midea S8+ here: bit.ly/3wYYS6x Get €100 coupon by clicking the link below: amzn.to/3sGIKmJ （final price: €499)Exclusive content patreon.com/marcorepsTest gear and more welectron.com00:00 Intro01:24 Unboxing02:46 Power on03:37 Setup05:25 Testing Sterilization08:58 Pathing09:46 Easy difficulty10:07 Advanced difficulty10:50 Dust extraction12:26 Hard difficulty14:09 Teardown base16:15 Teardown robot19:16 Epilogue#Midea #Mideas8plus #robotvacuum
Cetus2 - Prototype dual material 3D printer Marco Reps 2022-01-30 | Cetus 2 Kickstarter: https://cetus2-3d-printing-with.kckb.st/b986ad66More from me: patreon.com/marcorepsRaspberry Pi and more in stock: welectron.com
OVER 9000 fps! High Speed Thermal Camera Marco Reps 2021-10-15 | $2 for 1-4 Layer PCBs & Aluminium boards → jlcpcb.com/IYB (Register to Win $30 Coupons)320x240 Handheld Thermal Cam w/ Seek Core banggood.com/custlink/vKvRgNSwEw320x240 Mini Thermal Cam w/ Seek Core banggood.com/custlink/K3my6sIwYN20mm ZnSe lens banggood.com/custlink/G3GhBNaBZjMiniware modular power supply welectron.com/Miniware-MDP-XP-Modular-Power-SupplyMore from me patreon.com/marcorepsCreator of the Otter Iron and many other awesome projects twitter.com/JanHenrikHjoe-c thermal imaging software http://joe-c.de/pages/projekte/thermovision.phpHigh Speed Infrared by Flir flir.com/instruments/science/high-speed-irMy macro lens cover thingiverse.com/thing:5020702NASA paper on screening resistors nepp.nasa.gov/files/30137/NEPP-CP-2018-Brusse-Paper-SPCD-TN66231-NEPPweb-reuse-TN58702.pdf00:00 Intro00:49 Infratec specs02:15 Infratec teardown05:34 Infratec power on08:26 Infratec digital interface10:19 Infratec applications14:43 JLCPCB16:38 WT3320 Intro18:50 Seek sensor core19:33 Thermal freeware20:46 Macro cover21:56 Thermal PCB layout22:43 Test gear layout24:20 Alternatives
HP 3458A - Why is this 31 year old Multimeter UNRIVALLED? Marco Reps 2021-09-09 | Participate in PCBWays 4th Design Contest pcbway.com/activity/4th-pcb-design-contest.htmlSubscribe to ExtraSolar youtube.com/channel/UCBzFZkWDp9g3jSWSOfk09MAMy desoldering station banggood.com/custlink/vDmE68SdMzPCB holders from Welectron welectron.com/PCB-HolderHP Journal about 3458A hpl.hp.com/hpjournal/pdfs/IssuePDFs/1989-04.pdfxDevs on 3458A xdevs.com/fix/hp3458aFluke 732A over 1 Month http://reps.feste-ip.net:42545/dashboard/snapshot/ojS6RbJc94qxjved4R6auhhBVM0ivqtGSimulation: Dual slope integrating ADC tinyurl.com/yhcdn78zSimulation: 3458A Multisloper tinyurl.com/ye9xuu69Simulation: AD637 RMS Converter tinyurl.com/ye572tebSimulation: Sample&Hold Frequency tinyurl.com/ydrxrovo00:00 PCBway01:27 Intro03:34 First power on05:08 History06:55 Teardown08:15 A1 Bboard10:05 ADC theory14:45 ADC in practice16:20 ADC repair?21:39 ADC error speculation23:03 ADC success24:34 AC error25:35 AC basics28:44 AC repair32:37 Cable cap33:19 Outgard PSU33:47 Cooling fans35:13 Mains filter36:13 Plastic parts36:44 Voltage reference38:04 Digital board39:29 Calibration43:28 Results
Fluke 732A DC Voltage Standard & low cost DIY attempt Marco Reps 2021-07-09 | Flex or FR4, get your advanced PCBs from pcbway.com/setinvite.aspx?inviteid=650035% off Brymen & Siglent w/ coupon 'marcoreps5' welectron.comMiniware LCR tweezers banggood.com/custlink/vDvho1IbtNThermal imager banggood.com/custlink/KvmyouSNJTStereo microscope banggood.com/custlink/KmGRl79QFJExclusive videos sometimes on patreon.com/marcorepsIanScottJohnston transformer anatomy youtube.com/watch?v=BgYZnbLIwc8Massively simplified 732A Falstad sim tinyurl.com/yzcvd2pnLTZ1000A Falstad sim tinyurl.com/yj8tvqjoHas cool stuff other than feedthroughs twitter.com/GigaBecquerelAlternative hermetic feedthrough pins: Tusonix / CTS 4300Mu metal cans de.rs-online.com/web/p/audio-transformatoren/66759620.2 ppm/°C VSMP resistors de.rs-online.com/web/c/passive-bauelemente/festwiderstande/smd-widerstande/?applied-dimensions=4294097052R-Core transformer https://s.click.aliexpress.com/e/_Aq6SMYWavetek 7000 EEVblog forum eevblog.com/forum/metrology/(3300)-wavetek-7000-the-hidden-gemstoneSchroff RatiopacPRO AIR schroff.nvent.com/en-de/products/enc24571-911LTZ1000 tests with various 'above' resistors snapshot.raintank.io/dashboard/snapshot/y6f9BqnEAGTXXd3IyctaI4C8PiKgosUkA few days in the life of 732A snapshot.raintank.io/dashboard/snapshot/FdXwDqNPFZMvbtzDFIvHqIOubY1S2T4cFluke 5700A cal check logs github.com/marcoreps/5700A/tree/master/logsLTZmu stats w/ imbalanced batteries snapshot.raintank.io/dashboard/snapshot/DNbQoTWw6M4Rm1AbSv6CCZc9SKTMOZPWLTZmu project WIP github.com/marcoreps/LTZmu00:00 Intro02:01 Fluke 732A02:55 732A battery04:35 732A guarding06:00 732A pre-regulator07:32 732A ref assembly09:11 732A thermals10:42 732A 'fixes'12:06 732A heater circuit12:42 732A ref circuit14:31 LTZmu 10V standard15:33 LTZmu-metal cans16:08 LTZmu SMD resistors17:00 LTZmu flex PCBs18:49 LTZmu assembly20:23 LTZmu concepts23:20 LTZmu surroundings26:46 LTZmu circuit27:48 Wavetek 700032:16 732A results34:07 LTZmu no results yet
Wainlux L3 Laser Engraver review Marco Reps 2021-06-01 | Wainlux L3 on Kickstarter: kickstarter.com/projects/wainlux-laser-tech/most-powerful-10w-dual-laser-cutter-and-engraver-w-autofocus$2 for 1-4 Layer PCBs, Get Free SMT Coupons → jlcpcb.com/IYB5% coupon on Siglent and Brymen with code marcoreps5 welectron.comFlow lines msurguy.github.io/flow-linesGlasgow Debug Tool github.com/GlasgowEmbedded/glasgowCopper plating à la Breaking Taps youtube.com/watch?v=w3jV58_Vv2400:00 Intro01:24 Setup03:11 Cardboard03:54 Wood05:12 Stainless05:56 Aluminium foil06:18 Anodizing dye06:43 Beam profile07:15 Vector weirdness08:57 Leather09:32 PCB10:20 JLCPCB11:44 PCB result12:25 Thermal adhesive13:30 Powder coated al15:21 Copper plating16:14 Teardown19:17 Conclusion
CosmicPI: Detecting Cosmic Rays with a Raspberry Pi Marco Reps 2021-03-15 | Get your 4-layer PCBs for 2$ at jlcpcb.com/​​Win Test Gear at Keysight University Live http://bit.ly/MR_KULive​Miniware Hot Plate banggood.com/custlink/K3KyZe7losSupport me on patreon.com/marcorepsPCBite DMM kit welectron.com/Sensepeek-4012-PCBite-DMM-Kit-2x-SP10NASA Ultra High Definition footage nasa.gov/content/ultra-high-definition-video-galleryCosmic Pi website http://cosmicpi.orgCosmic Pi OHWR ohwr.org/project/cosmic-pi/wikis/homeGigabecquerel on plastic scintillators gigabecquerel.wordpress.com/2020/12/25/diy-plastic-scintillators-first-success
Open Source 8.5 Digit Voltmeter from CERN: Build and Test Marco Reps 2021-02-24 | Get your high quality PCBs from pcbway.comWin Test Gear at Keysight University Live http://bit.ly/MR_KULive Miniware Hot Plate banggood.com/custlink/K3KyZe7losSupport me on patreon.com/marcorepsCool new Brymen DMM welectron.com/Brymen-BM789-Multimeter_15% coupon: marcoreps5HPM7177 Project ohwr.org/project/opt-adc-10k-32b-1cha/wikis/homeCERN YouTube Channel youtube.com/user/CERNTVThe Worlds best resistors http://www.vishaypg.com/foil-resistorsDesktop Enclosure https://www.reichelt.de/de/de/systemgehaeuse-geh-sg-1-19-p50439.htmlMy Multiinstrumentalist datalogging software github.com/marcoreps/multiinstrumentalistxDevs INL article xdevs.com/article/inlperf00:00 Intro02:25 Circuit Overview05:18 Assembly10:19 Soldering13:51 THT parts15:47 Mechanical stuff25:10 Software31:02 Result
Quick Test: Advantest R6581T 8.5 Digit Multimeter Marco Reps 2020-11-11 | Have Fun & Win in JLCPCBs E-Exhibition jlcpcb.com/E-exhibitionVFD Clock from Banggood bit.ly/2UivsfzNew Brymen DMM soon: welectron.com/Brymen-BM789-Multimeter_1Patreon patreon.com/marcorepseBay shop where I got mine ebay.com/usr/novusferroAdvantest R6581 specs leaked after all? http://bbs.38hot.net/thread-221-1-1.htmlAll the test data snapshot.raintank.io/dashboard/snapshot/QvYHsgNaInHflsyGOqYcGlDOS61jKn6JEEVBlog forum thread eevblog.com/forum/metrology/advantest-r6581-8-5-digit-dmm-mini-teardownrepair00:00 Intro00:48 Advantest Spectrum Analyzer01:18 R6581T in general02:50 Long term tests05:30 Convenience features06:47 Teardown09:08 Problems?
Keithley 2002 8.5 digit Multimeter testing Fluke 5700A Calibrator Marco Reps 2020-10-14 | Keithley 2002 tek.com/tektronix-and-keithley-digital-multimeter/keithley-2002-series-8%C2%BD-digit-multimeter-scanningSunfounder RasPad raspad.sunfounder.comRaspberry Pi Accessories welectron.com/Raspberry-Pi_3Precision i2c temperature sensor but it's actually in stock: bit.ly/3nQ0Ak8Patreon patreon.com/marcoreps00:00 Intro00:35 K2002 overview02:00 K2002 ADC03:06 Stability test03:42 K2002 details06:10 F5700A setup09:43 GPIB setup12:56 Long term test13:26 INL resultsK2002 ADC simulation http://tinyurl.com/y5ff8zetMulti instrument datalogging software github.com/marcoreps/multiinstrumentalistTMP117 i²c temperature sensor sparkfun.com/products/15805Grafana grafana.org
Repair: Fluke 5700A Multifunction Calibrator Marco Reps 2020-10-13 | Fast and affordable PCB prototyping services by jlcpcb.comBanggood Scope meter bit.ly/30fTv28Beginner Calibrators :) welectron.com/DMMCheck-Plus-Multimeter-Calibration-ReferenceBehind the scenes sometimes patreon.com/marcorepsMDP-XP Tantalum Vaporizer now cheaper: http://bit.ly/2kM1uCvWith coupon code BGMN7954Keyboard PCB project and some other files: github.com/marcoreps/5700A00:00 Intro02:18 A18 Filter repair07:13 Display problems09:17 Front panel13:28 Simple chores16:50 A17 Reg / Guard Crossing18:18 A11 PWM DAC20:34 A10 Ohms Main Assembly21:13 A9 Ohms Cal Assembly21:55 A8 Switch Matrix22:45 A7 Current / Hi Res Osc24:02 A13 Osc Output24:59 A12 Osc Control26:49 A16 Power Amp28:09 A15 HV / High Current30:18 A14 HV Control31:43 Conclusions35:33 Finally some magic smokeIn order of appearance:PTB Imagefilm youtube.com/watch?v=eKnryj__4_MFluke 5730A Introduction youtube.com/watch?v=85Z_NBQF4lE'Metrology food chain' article xdevs.com/article/si2019Fluke 5700A service manual eu.flukecal.com/literature/product-manuals/5700a5720a-series-ii-service-manualHuge USB VFD de.rs-online.com/web/p/fluoreszenzanzeige-vfd/6659822Keyboard PCB, handles & more github.com/marcoreps/5700ABrowser Circuit Simulator falstad.com/circuit/circuitjs.htmlFluke 5790A AC Measurement Standard xdevs.com/fix/f5790axDevs 5700A calibrator review and service xdevs.com/fix/f5700aApplied Science ultrasonic soldering youtube.com/watch?v=WuYdsStS1MQ
Ultralow Noise Tester: 9V Battery vs. 7805 vs. LTZ1000 Marco Reps 2020-08-17 | Try JLCPCBs famous prototyping services: jlcpcb.comTS80P Soldering Iron Banggood bit.ly/312l2ERMicroscope I used to film welectron.com/Andonstar-AD407-Digital-MicroscopeBehind the scenes sometimes patreon.com/marcorepsLinear AN124 analog.com/media/en/technical-documentation/application-notes/an124f.pdfKiCAD project github.com/marcoreps/low_noise_amplifierEEVBlog Forum thread eevblog.com/forum/metrology/diy-low-frenquency-noise-meterVintage German Hermetic Tantalum Caps ebay.com/itm/361575306139This is a bit of a boring video subject, but by getting it out of the way now, it'll be much easier to focus on whatever we need these noise measurements for later. 0:00 Intro2:02 Circuit Design4:12 PCB & Assembly8:13 TS80P9:58 Input Cap Problems15:56 Input Cap Solutions18:01 Lame results22:23 Cool results
Elegoo Saturn: Affordable 4k MSLA 3D Printer Marco Reps 2020-06-08 | Elegoo Saturn elegoosaturn.com/products/elegoo-saturn-8-9-inch-4k-uv-lcd-3d-printerCheap Ultrasonic cleaner I use bit.ly/2YgJvE6Microscope I use welectron.com/Andonstar-AD407-Digital-MicroscopePatreon patreon.com/marcorepsFront panel for Vini's Lab youtube.com/c/VinisLabBlock with threads model thingiverse.com/thing:4437188In this video we are taking a look at Elegoos new MSLA 3D printer, the Saturn. I am showing how to set it up and how to use it somewhat successfully. I am also taking apart a beta version of the printer to show a few of the internal details that make this product special. At the end I am showing some printed results to demonstrate the machines capabilities in geometric accuracy and small feature size.00:00 Intro02:00 Setup05:25 Mech test & internals08:44 Print results12:20 Small threads14:25 Conclusion
Repair: 0.004°C Temperature Controller Arroyo 5235 TECSource Marco Reps 2020-06-01 | The first 500 to sign up with this link will get 2 free months of Skillshare Premium: https://skl.sh/marcoreps16Affordable 0.1°C Bipolar Peltier Temperature Controller bit.ly/36WERz3Thermal Cameras welectron.com/WaermebildtechnikArroyo Temperature controllers arroyoinstruments.comPatreon patreon.com/marcoreps1/10 Class PT100 de.rs-online.com/web/p/platin-temperatursensoren/2938480Thermal camera: tinkerforge.com/en/shop/thermal-imaging-bricklet.htmlIn this video we take a look at various temperature controllers, most importantly an Arroyo 5235 TECSource. We take it apart, look at a few of its key components, repair it, then calibrate and test its performance. To reach it's most important 0.004°C temperature stability over 1 hour spec, a custom shielding box with a peltier cooler is machined.
uh, just 2020 things Marco Reps 2020-03-18 | The first 500 people who click the link in the description will get 2 free months of Skillshare Premium: https://skl.sh/marcoreps15Selpic Portable Printer amazon.com/dp/B081SY5MGPServos that speak CANopen motioncontrolproducts.co.uk/products/15/170/cnc-3-axis-estun-pronet-servo-kit---400wBrymen Multimeters & more welectron.com/HandheldBanggood 4 axis Handwheel http://bit.ly/3d8ER1nInstallation of the same youtube.com/watch?v=HNXv5c4iXjoBanggood Hydraulic Crimper http://bit.ly/2IVCEZjOversized 12mm ER16 Collet https://www.ebay.de/itm/303435704034HP45 Inkjet Cartridge details: ytec3d.com/hp45-inkjet-printheadTS100 PD 'Otter Iron' github.com/Jan--Henrik/Otter-IronCopper Spade Lugs & more https://www.ab-precision.de/products/cables-accessories/Miniware twitter twitter.com/Mini_CenRE my AT90CAN128 .hex image: dropbox.com/s/iqo5b4etzathbvn/pendant.hex(pls)Pricey 60W USB-C PD Dev Board silabs.com/products/development-tools/mcu/8-bit/usb-type-c/high-power-charger-reference-designCheap DC to USB converters https://s.click.aliexpress.com/e/_d6eQ2yVBut for these to put out 20V PD the input voltage needs to be at least 21Vpatreon.com/marcoreps
