HH004F is a low power integrated boost converter IC in a TO-92 package, look exactly like a small transistor. Though it’s quite a uncommon and undocumented IC, but you may […]
DIY LED driver for 5Watt LEDs, 12V strips from 100-240 VAC
I got many requests to provide guide to build simple 230V to 1,3,5 Watt LED driver in response to my simple led driver diagram. So, below I’m writing an article […]