A nightlight with orientation control
So I wanted to design a children's toy, where the electronics could last 100 years (ignoring mechanical abuse). I figured some people here might be interested....
Unofficial Subreddit Migration List (Lemmy, Kbin) (www.quippd.com)
A comprehensive mapping of old subreddits to new communities.
LM337 problem
Hello, I have a strange problem with the LM337 regulator. I have built a classic LM317/337 power supply - and it works, giving proper voltage, etc. however when I start it under load (approx. 300mA per regulator) using a switch, the LM337 goes into some sort of protection (audible buzz), but when I start the circuit under load...
Using multiple windings on two transformers to create one output at maximum power
Hi everyone, I’ve just resurrected a broken Weller TCP1 and need a 24v ac supply for it....