SparkFun Barrel Jack Power Switch - M-F (3") Buttons/Switches, Supplies Antennas The ATMega328 comes with demo

The ATMega328 comes with demo code that gives a temperature readout in degrees F at 38400bps

Digital Input

Windows Driver

nothing too long

or black bezel

SparkFun Barrel Jack Power Switch - M-F (3") Buttons/Switches, Supplies Antennas The ATMega328 comes with demoWe use barrel jacks a lot around here and sometimes we need to pop a switch into the mix. That usually means hacking up a perfectly good barrel jack extension cable, but the whole point of using the barrel jacks was so that we wouldnt have to hack things apart Well, we found a solution: The Barrel Jack Power Switch. Okay, its nothing fancy but it is really useful. Plug your power supply into one end and the other into your project and, just like that,