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 ...

AUSTIN, Texas & CHICAGO--(BUSINESS WIRE)--Arduino, the open-source hardware pioneer with 32 million active developers worldwide, today announced its schedule of events for Sensors Converge, the ...