Newsletter Archive


A question from a reader

QUESTION: “Why doesn’t it matter which leg of a led you put a resistor on? Surely if it’s on the anode then that’s fine, but if it’s on the cathode then the current will flow through the anode first and burn out the led? I’m sorry if that’s a silly question but I’m still learning.”

I burned myself on the soldering iron

I was soldering the circuit for the last part of the microcontroller tutorial. And I burned myself on the soldering iron. Ouch! But, I lived to tell the tale. Hopefully that taught me the lesson of being more careful, so that it will go another few months before I do it again. I realized something […]