Hi! I'm completely new to circuit design, I've looked through the forum for similar questions but couldn't find any, apologies if I've missed it though.
I need help designing and building a light sensor switch for a USB powered "UV" LED strip for collecting insects. I'm a freshwater...
Hi Guys
I am working on a private project where I need to detect a blue light flashing up. But the OpAmp I am using is always on HIGH regardless of the brightness of the blue light. I have also tried various OpAmp circuits but they all resulted in the same. I've tried feedback resistors of up...