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But the color of the old leds were much nicer and pure.

😮 can we use it with arduino ?

great experiment there, i wonder how big is the effect the usage of rf connector or coupler. do you have tried that?

id say your driven element is maybe a bit short, as the gamma needs +_7 pf adjust'able

great explanasion¡

Its

That's interesting. I'm more familiar with SCRs used with mains appliances. Are they liable to have the same issues when lightly loaded too? Because even at 230v, 2ma is less than half a watt

The temporary build that works great for thirty years! I've built a few of those. Tools, jigs, etc. Nice concise video.

Thanks for your video. I wasn't familiar with the Reed LCR meter but looked it up. It has 100 kHz max test frequency and sells in the $250-300 range. I use a similar LCR meter that also has 100 kHz max test freq, the DER DE-5000. It has near lab grade accuracy and is much less expensive, around $100 for the basic version which is all I use. I love mine.

Nice to see a comparison like this! Just got an eq thats loaded with 741s, i really liked how it sounded for guitar and popped the hood and here we are! What's funny is that my other old urei eq has the TLOxx op amp So now I know what's going on under the hood with both, thanks!

That's fantastic.

Another thing I have to check.

I use an etching I have laying around. Grandad gave it to me. It was done by someone named Rembrandt. Very convenient when the need arises.

Such a clear demonstration.

Simple solution to a common problem that I've just always lived with..

That's all fine and dandy, but what is the ambient temperature of your laboratory?

I used to have the exact same timing light as this. Excellent tool, works at much higher rpm than most. The second hole next to the switch was for an optional power indicator. Mine suffered the same fate as this poor tool, and although I don't recall taking it apart to attempt a repair, it's not impossible that that happened. It's been a while. Maybe someday I'll get another one of these, Electronics-Specialties still sells them and they're not too expensive. Like you said, way cheaper than having someone fix it.

Velocity of propagation has caused me problems at various times in my life. The first time Sargent Stadanko caught me speeding he gave me a warning. The second time I had to pay a fine. The third time, I took off because I didn't have any money to pay another fine. It ended badly and cost way more than just stopping would have. Now, I go fast on a racetrack, and the speed limit on the roads. Most of the time.

Satisfying when double checking confirms your results are correct.

This is what I need to complete my Pirate radio station.

I'm going to use this information to start a pirate radio station. All Disco, all the time.

When I was a kid Oscilloscopes, Wave form generators and all that stuff seemed so unattainable and exotic. Now it's possible to have all of it in a pocket.

Makes me want to go do some experiments right now.

I too often just trusted my equipment without thinking. Now I double check with reference test tools and comparators. Not just for electronics but for torque wrenches, pressure gauges, etc.

I never use this much math when I'm using my hammer. Super interesting.

The videos are great and so are the comments.

Great explanation, good detail.

I was about to ask a question as the video was running but you answered it as I thought about it. Proof that you're psychic.

I've learned so much from these vids. I've been binging on them, but now it's time for lunch.

I oscillate between thinking I've got it figured out, and realizing I don't.

I used to have a multimeter just like your Blue Point meter in the orange case. It was a very useful meter until the smoke came out. Was never the same after.

This is something I may use diagnosing charging systems.

Great demonstration!

I understand this now.

When I took a brief electronics course many years ago, I had no idea going in how much math was going to be involved. I think that's part of what makes electronics so interesting; the accuracy, the predictability and the surprises.

This just goes to prove that you can't have too many jumpers. Or tools in general!

I spent some time making a good set of these jumper cables. Totally worth the effort.

This is the first of your videos where I actually knew exactly what you were talking about most of the time. I'm usually playing catch up. Thanks!

Thanks for these detailed videos. I learned a lot.

This is fun stuff!

Electronics is not my trade so these videos are great for introducing me to concepts that I'm not typically working with.

This is great!

Great ideas and good heads up. I fry leads on exhaust systems on a regular basis, so I make sure to carefully check them once in a while.

This is cool stuff that I never would have thought of.

Thanks for this. I check wires with a magnet quite often now.

I remember a time before LEDs. I remember when there were only red LEDs for power indicators on stereos and such. Switching from an old clock radio with numbers printed on leaflets that dropped down every minute to show the new time, to a clock with LED display was good and bad. It didn't go CLICK every minute while you were tossing and turning at three in the morning, but it lit up the whole room all night long.

I love this old machinery. Knobs that clunk and lock into position are very satisfying.

I find hysteresis hysterical. Anyone else? Just me?

I'm impressed by the knowledge of the people commenting on these videos.

Thanks for the info!