Hi Ron @zander, Re: your scope tutorial Obviously there will be some cases when the 'auto' button will not really help, but most commonly, I wo...

Hi Ron @zander, I think MOSFETs are more amenable to explaining how they work than BJTs, but both types have their uses. As for scope, I presu...

Hi Ron @zander, I had a quick look to see what Sparkfun are saying, albeit not watching the whole video, and I think he was just considering the m...

Hi Ron @zander, Sorry, I don't have any 'off the shelf' sermons on NPN & PNP transistor operation. In fact, I have yet to see a 'simple' expla...

Hi @duce-robot, The ESP32-Cam does seem to have a dubious reputation with regard to power. I have only done some quick experiments, and didn't ...

Hi @michael-taggart, As Ron (@zander) has pointed out, the single resistor circuit will probably behave in 'weird' ways if more than 1 switch is p...

Hi @michael-taggart, Sorry, I am not sure if I fully understand your question, but this is an attempt to address it... Please note, this discus...

Hi @inq, Sorry, I don't presently have any great ambitions as an end-user about a general purpose IoT station, but curiosity etc. will almost cer...

Hi @inq, A couple of side comments, though sadly not answers to your main questions. The second comment is largely based on some notes I have seen ...

Hi @tm-comp, @inq has given you some great advice. I would just like to add a couple of comments, which might be helpful.. 3V stepper motor volt...

Hi @sel, Like Ron @zander, I didn't know what BTC stood for either, but Google tells me it is Bitcoin. Sorry, I obviously don't know anything...

Hi @inq, Re: your followup about: Which brings up why do some antenna's come in pairs and they are 90° to each other instead of 180°? I don...

Hi Inq, If someone expert said going from proper length wire to a perfectly tuned antenna would only double my range, I probably wouldn't spend t...

Hi @inq, A quick-ish spot from your comments. --- XL = 2 * Pi * frequency * inductance & XC = 1 / (2 * Pi * F * C). If you have a rel...

Hi @inq, A pile of random comments .. sorry some are don't knows and best guesses, but hopefully it is helpful overall. Hitting a natural freq...