CQ CQ CQ de KJ6FO If you are Licensed Ham radio operator, we can talk on the air. I run an Allstar node running at my home QTH. This node is accessible from any other Allstar node in the world. You can also connect via EchoLink from anywhere across the globe if you have an […]
I found this helpful diagram on how much current an Arduino can handle on its pins.
Sometimes you need to be able to turn devices on and off from your Arduino. If the current being drawn is low enough (under 40 Ma MAX, 20Ma recommended) then you can just use the IO pins of the controller to turn the device on and off. The Blink example program does exactly this with […]