Uploaded May 2019 | Updated September 2026, 1 week ago
This is how I made an LED video wall within 24h. It's based on WS2812 controlled RGB LEDs and supported by a wide range of Arduino libraries. Enjoy!
SECOND PART: youtu.be/xFh8uiw7UiY
Code: github.com/bitluni/PingPongLEDMatrix
Links to the parts (affiliate links):
LEDs $9 a set http://s.click.aliexpress.com/e/csqp0DJK
Nano clone $2 http://s.click.aliexpress.com/e/btjhjgoY
Balls 150pcs for $9 http://s.click.aliexpress.com/e/8NRak3q
Drill bit set $6 http://s.click.aliexpress.com/e/crl97MXW
My drill did a great job:
US amzn.to/2JBs3UP
EU amzn.to/2Ga9rug
Chainsaw:
US amzn.to/2vupZpp
EU amzn.to/2LfTt5n
Clamp multi-meter:
US: amzn.to/2NWz5XU
DE: amzn.to/2RgoNj7
UK: amzn.to/2QtNWpB
My camera and lens (4k 60fps):
amazon.bitluni.net/gh5
Link to Hari's video:
youtu.be/N6bJJDCpGi0
plz share :-)
Check out my Tindie store to get some of my creations:
tindie.com/stores/bitluni
Consider supporting my lab on Patreon for some extras and frequent updates:
patreon.com/bitluni
I'm also thankful for any donation on PayPal:
paypal.me/bitluni
Twitter: @bitluni
reddit: r/bitluni
#electronics #diy #LED # neopixel
This is how I made an LED video wall within 24h. It's based on WS2812 controlled RGB LEDs and supported by a wide range of Arduino libraries. Enjoy!
SECOND PART: youtu.be/xFh8uiw7UiY
Code: github.com/bitluni/PingPongLEDMatrix
Links to the parts (affiliate links):
LEDs $9 a set http://s.click.aliexpress.com/e/csqp0DJK
Nano clone $2 http://s.click.aliexpress.com/e/btjhjgoY
Balls 150pcs for $9 http://s.click.aliexpress.com/e/8NRak3q
Drill bit set $6 http://s.click.aliexpress.com/e/crl97MXW
My drill did a great job:
US amzn.to/2JBs3UP
EU amzn.to/2Ga9rug
Chainsaw:
US amzn.to/2vupZpp
EU amzn.to/2LfTt5n
Clamp multi-meter:
US: amzn.to/2NWz5XU
DE: amzn.to/2RgoNj7
UK: amzn.to/2QtNWpB
My camera and lens (4k 60fps):
amazon.bitluni.net/gh5
Link to Hari's video:
youtu.be/N6bJJDCpGi0
plz share :-)
Check out my Tindie store to get some of my creations:
tindie.com/stores/bitluni
Consider supporting my lab on Patreon for some extras and frequent updates:
patreon.com/bitluni
I'm also thankful for any donation on PayPal:
paypal.me/bitluni
Twitter: @bitluni
reddit: r/bitluni
#electronics #diy #LED # neopixel

![Im a power hoarder now! [Oukitel P5000, Tibber]
I tested the plan to utilize hourly ETEX power market prices to minimize my power costs. As power storage I tested the Oukitel ABEARL P5000 Power Station. The 120V MPPT solar inverter turned out to be the MVP.
- Oukitel ABEARL P5000: https://amazon.bitluni.net/5kWh (ad)
Coupon: 400euros off. 8% off Discount code: QGRHK4F2
- Tibber referral link 50€ bonus: https://link.bitluni.net/tibber
- Spreadsheet: https://link.bitluni.net/batterySheet
- Interesting paper: https://iopscience.iop.org/article/10.1149/1945-7111/abae37/pdf
- Electricity map https://app.electricitymaps.com/map
Links to parts and tools (affiliate links):
- Thermal Camera InfiRay P2Pro ($20 coupon: bitluni):
https://amazon.bitluni.net/P2pro
https://aliexpress.bitluni.net/P2pro
- BALKONKRAFTWERK: https://aliexpress.bitluni.net/gridTieShop
- My camera and lens (4k 60fps): https://amazon.bitluni.net/gh5
- Drone DJI Mini 3 pro: https://amazon.bitluni.net/drone
- Zoom H6 Audio Recorder: https://amazon.bitluni.net/h6
Github Sponsors: https://github.com/sponsors/bitluni
Patreon: https://www.patreon.com/bitluni
Channel membership: https://www.youtube.com/channel/UCp_5PO66faM4dBFbFFBdPSQ/join
Paypal: https://paypal.me/bitluni
Twitter: @bitluni
reddit: u/bitluni
Discord: https://discord.gg/MT5RbJt
0:00 Intro
0:44 Hourly Market Rates
2:02 Power Station
2:38 Microinverter
3:00 Power station tests
4:05 UPS Mode
5:02 Range Extender
6:12 Capacity Test
7:00 MPPT Charge Controller
8:35 Cost/Savings Calculations
10:48 Solar+Storage
11:39 Conclusion
#electronics #balkonkraftwerk Im a power hoarder now! [Oukitel P5000, Tibber]](https://i.ytimg.com/vi/grCqUBDBAX0/mqdefault.jpg)

![Mallets Bot DIY Instrument V1.0 [Ardunio, MIDI]
This project shows how to build a simple instrument which plays music on wine glasses. It can be used with a keyboard to play live or playback midi files from your computer.
Project page (work in progress, come back later :-*):
http://bitluni.net/mallets-bot/
Code and models:
https://github.com/bitluni/MalletsBot
Links to the cheep parts including shipping (affiliate links):
Arduino Pro Micro
$3.60 Aliexpress http://s.click.aliexpress.com/e/N7Mrfi6
$4.04 Ebay US https://ebay.to/2LsS4qO
Solenoid 12V:
$2.49 Aliexpress http://s.click.aliexpress.com/e/UBMrRZB
$2.66 Ebay UShttps://ebay.to/2NDToog
PWM Shield:
$1.58 Aliexpress http://s.click.aliexpress.com/e/F6iyFyv
$2.31 Ebay US https://ebay.to/2uPKnSf
FET Module PWM 4-Channel
$4.66 Aliexpress http://s.click.aliexpress.com/e/7IAUrBm
$4.98 Ebay US https://ebay.to/2NGvMPZ
LiPo 3S:
Ebay US https://ebay.to/2NyNggQ
Amazon US https://amzn.to/2JRrAuj
Siglent Oscilloscope:
Amazon US https://amzn.to/2uN6Hf0
plz share :-)
Consider supporting our work on Patreon for some extras:
https://www.patreon.com/bitluni
We are also thankful for any donation on PayPal:
https://paypal.me/bitluni
Twitter: @bitluni
reddit: r/bitluni Mallets Bot DIY Instrument V1.0 [Ardunio, MIDI]](https://i.ytimg.com/vi/hWSprtJcZiE/mqdefault.jpg)
![Developing SMT VGA Shields for the ESP32 [TinyPICO, ESP32Lib, Raytracing]
This video is showing the development of a VGA shield with SMT components
JLCPCB Prototype for $2(Any Color): https://jlcpcb.com
My tindie shop: https://www.tindie.com/stores/bitluni/
Unexpected Makers Tiny PICO campaign:
https://www.crowdsupply.com/unexpected-maker/tinypico
https://www.tinypico.com/
The ESP32Lib:
https://github.com/bitluni/ESP32Lib (but you should get it from the Arduino Library Manager)
Maker Cast:
https://youtu.be/T81_68nyvGk
Links to the parts (affiliate links):
Low temp solder paste $4:
http://s.click.aliexpress.com/e/bsRhbcY0
Crappy reflow oven:
https://ebay.to/2IgmSaR
plz share :-)
Consider supporting my lab on Patreon for some extras and frequent updates:
https://www.patreon.com/bitluni
Im also thankful for any donation on PayPal:
https://paypal.me/bitluni
Twitter: @bitluni
reddit: r/bitluni
#electronics #diy #vga Developing SMT VGA Shields for the ESP32 [TinyPICO, ESP32Lib, Raytracing]](https://i.ytimg.com/vi/iGzUhgsmJL4/mqdefault.jpg)





