Adafruit Resistor Helper Tie

Nope, you can’t get one there, you gotta make it yourself. Unless you are one of those who can remember the entire color code for 4- and 5-band marked resistors (test later on how many possible combinations there are; I’m still working on wiring up CAT-5 correctly), you need the... Read more »

PCB Etching Using Toner Transfer Method

What is the fun in making robots if you can’t make your own circuit boards? This PCB etching tutorial describes a step-by-step process to MAKE your own circuit board. There are many tutorials already available on etching. Each method uses different materials and I have used hydrochloric acid and hydrogen... Read more »