Description: $2 for pcb Prototype, for more information visit: Download the codes here Arduino simple shield potentiometer ...

Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

A hidden pigment helps ocean algae harness sunlight without getting burned—and it may hold clues for better solar tech.

For certain high-security devices, such as card readers, ATMs, and hardware security modules, normal physical security isn’t ...

There’s a lot of junk on the market — these are the best smart frames that are worth your money. Just because most of the best smartwatches have built-in GPS as a standard feature doesn’t mean they’re ...