555 T-Shirt HERE
Hacking the Mantis Elite microscope to control the LED brightness with a 555 PWM circuit.
Forum Topic HERE
Podcast: Download
Why is my lab power switchboard wired like this? Forum: https://www.eevblog.com/forum/blog/eevblog-1652-why-is-my-lab-switchboard-wired-like-this/ Podcast: Download