Here's how I build my simplified 3D printed arduino animatronic eye mechanism. This is a good option if you'd like to try out ...

The Texas Instruments TP4056 is the default charge-controller chip for any maker or hacker working with lithium batteries. And why not? You can get perfectly-functional knockoffs on handy breakout ...

For those living in the continental US who, for whatever reason, don’t have access to an NTP server or a GPS device, the next ...