If you’ve got a few solar panels lying around, or even if you want some 120/230 V AC power from a few 12 Volt batteries, you’ll need a power inverter. Sure, you can drop on down to any big box store ...

The motors themselves are different, this time depending on gear-reduced DC motors. The motor H-bridge is the same, but [Eduard] used a simple transistor-based inverter to reduce the number of pins ...

There are plenty of Arduino-based robots in the world, but actually building one is a bit tough if you're not familiar with Arduino programming. But a company called ArcBotics has created an ...