Here's the new description with all links and additional text removed: Making a good lighting system for your rc projects is ...

All the info you need right here ✦ In this occasion I'll make a lighting system to be controlled remotely from my rc using ...

An Arduino can be used to test the life of any battery with less than 5 volts, Boxall says. So, for a quick way to see how much juice your AAA, AA, C, or D batteries have left, build this ...