Nick Heath for TechRepublic:  Think it's tricky to build and program a robot arm? Think again.

Powered by the Raspberry Pi, the MeArm Pi is a robot arm designed to be simple enough that kids aged 11+ can build and program it.

The lightweight plastic arm, which can pick up small objects such as Lego bricks, comes as a kit that keeps the number of screws to a minimum and is relatively straightforward to assemble using the included hex keys. It can be controlled via the Pi, either using joysticks attached to the included Pi HAT add-on board or by programming it from the Pi.  Cont'd...