What Went Wrong Robert Gibbons 2019-03-20 | Sorry guys, I messed up! This video shows the results of my tests as to why the 555 boost converter is a did!
ICStation Bluetooth Speaker Robert Gibbons 2021-08-18 | A short video showing a recent kit I assembled and a BIG thank you to an anonymous donor. Sorry for the absence.
AG-10 Sine Square Wave Generator Robert Gibbons 2020-08-13 | A quick look at some interesting circuit features of the AG-10 and some channel updates.
Tube Testing & Replacing Robert Gibbons 2020-06-21 | Showing that all tube testers are basically the same for most users and telling why correct tube selection is important. Thanks for stopping by!
1946 Airline 64BR-1808A Part 2 Robert Gibbons 2020-05-15 | Brief look on how I prepare radios for restoration plus some interesting finds.
1946 Airline 64BR 1808A Part 1 Robert Gibbons 2020-04-27 | An introduction to a new project. A Belmont made Ward's Airline radio from 1946 with inductive tuning.
Early Radio Volume Control Robert Gibbons 2020-04-16 | A brief look at early radio volume control circuits.
Variac Steal !!! Robert Gibbons 2020-03-29 | Reminder to always be on the lookout for Ebay deals. You never know what you might find!
ICStations Bluetooth Amplifier Module Robert Gibbons 2020-03-25 | A short review and demo of ICStation's Bluetooth Amp.
1N34A or NOT 1N34A ??? Robert Gibbons 2020-02-06 | Short video about problems with mislabeled components.
BDST Nearly There Robert Gibbons 2020-01-11 | What I've been up to since my last BDST video. Details of testing and other projects.
65 Mhz Frequency Counter for $12 Robert Gibbons 2020-01-09 | Easy to assemble portable frequency counter.
BDST Signal Tracer Change Robert Gibbons 2019-11-22 | A new, much improved, input circuit for the BDST.
SimpleAM Plus Transmitter Beta Robert Gibbons 2019-11-20 | The SimpleAM Plus transmitter is finally ready for beta testing!
More BDST Probe Testing Robert Gibbons 2019-11-11 | Explanation of how I've been testing the BDST probe and changes made to it.
BDST Coin Tube Probe Robert Gibbons 2019-11-10 | A short video updating the construction of the AF/RF probe for the BDST signal tracer.
BDST Probe Beta Robert Gibbons 2019-10-31 | Description of the circuit of the BDST AF/RF probe and a short demo.
SimpleAM Plus Transmitter Demo Robert Gibbons 2019-10-26 | Demonstration of the SimpleAM Plus transmitter.
BDST Probe Testing Robert Gibbons 2019-10-19 | More in depth explanation on the testing done on the BDST probe.
BDST Probe Robert Gibbons 2019-10-18 | A short video explaining the need to add a remote probe to the BDST design.
BDST Input Problems Robert Gibbons 2019-10-09 | Short video describing the problem with the BDST RF input and experiments to try and find a solution.
Inexpensive Bluetooth Speakers Robert Gibbons 2019-09-19 | Short video demonstrating a cheap and easy way to make your own Bluetooth speakers.
BDST History Robert Gibbons 2019-08-31 | A brief history of the development of the BD Electronics Signal Tracer.
Wallys Inductors Robert Gibbons 2019-07-29 | Quick follow up on the inductors WallysPlace66 sent from fluorescent ballasts.
Check the Big Picture Robert Gibbons 2019-07-19 | A reminder to avoid tunnel vision and check everything after a modification.
Capacitor Foil End Test Robert Gibbons 2019-07-08 | Short video in response to a request from Don at RestoreOldRadios using the PTR signal tracer to determine the outside foil end of capacitors.
JLCPCB PTR Prototype Robert Gibbons 2019-06-23 | A quick look at a prototype PCB for the PTR AF/RF signal tracer.
Pocket Signal Tracer Robert Gibbons 2019-06-03 | Short video showing the PTR AF/RF Signal Tracer in a pocket size version.
JFets and RF Inputs Robert Gibbons 2019-05-28 | Test results on the JFet for the PTR signal tracer. Plus test results on the RF input circuit.
PTR AF RF Signal Tracer 8 pin Robert Gibbons 2019-05-26 | Some surprising results testing a 8 pin version of the PTR with a MPF102 Jfet. More to come.
Freebies and Ebay and PCBs Robert Gibbons 2019-05-24 | A look at some gifts, purchases and things I've been up to.
Heathkit AR 2 Electrolytic Capacitor Rebuild Robert Gibbons 2019-05-07 | A quick video on how I rebuild electrolytic can capacitors.
Update and Thanks RonC! Robert Gibbons 2019-05-03 | Quick project update and a big thanks to RonC for his help!
DIY Signal Tracer Comparison Robert Gibbons 2019-04-28 | A comparison of the sensitivity of 6 DIY signal tracers I've built.
Aussie Signal Tracer: Tests and Suggestions Robert Gibbons 2019-04-27 | Results of some tests and analysis of the Aussie signal tracer Doug (Mosslack) and I have been playing with.
If At First You Dont Succeed Robert Gibbons 2019-04-17 | I think we've finally got all the problems worked out on the LM380 signal tracer. I hope. PLEASE! My apology to all who may have purchased parts in error.
LM380 Signal Tracer Update Robert Gibbons 2019-04-14 | Quick video to discuss and cure a problem found with the original design.
What About Bob? Robert Gibbons 2019-04-13 | Just a quick update on the Sentinel and what I'm currently up to. (Probably up to no good, as usual!)
Testing Zeners With A Power Supply Robert Gibbons 2019-04-02 | In response to a request from Bill, old64goat, here are two ways of testing zener diodes using just a power supply and meters.
Zener Diode Tester Robert Gibbons 2019-03-31 | An easy to build DIY tester for checking or matching zener diodes.
LM380 Signal Tracer Demo Robert Gibbons 2019-03-25 | A short demonstration of the LM380 signal tracer.
LM380 Signal Tracer Mods Robert Gibbons 2019-03-24 | Adding a JFet front end to a nice signal tracer to make it better still.Original article: http://www.pasttimesradio.co.uk/build/diyradio.html
Another DC DC Converter FAIL! 😞 Robert Gibbons 2019-03-19 | And it looked so good on paper! Aargh! Video showing flaw coming up.Please see: youtu.be/EsK3R4xl33MWARNING: Some of these demonstrations contain very high voltage. Please be careful. As always you, and you alone, are responsible for your safety!
Positive and Negative Output Boost Converter Robert Gibbons 2019-03-15 | DIY boost converter with positive and negative outputs using the MC34063A and ICL7660s.
Mystery Parts from WallysPlace66 Robert Gibbons 2019-03-07 | Many thanks to Ron for salvaging some interesting inductors from fluorescent lighting! 👍👍
Simple AM Transmitter Plus Robert Gibbons 2019-03-06 | Adding a RF amp and antenna tuner to our Simple AM transmitter.
DIY 30 Volt 5 Amp Power Supply Robert Gibbons 2019-03-02 | Another look on how to build your own bench power supply.Keysight link: http://www.wavekeysight.com
