Arexx-Mini-Programmable-Robot-Arm-Arexx-Engineering-RA2-HOBBY-P-The-Arexx-Mini-Robot-Arm-is-an-affordable-robot-for-the-hobbyist-It-is-ideally-suited-to-learning-the-basics-of-electronics-mechanics-&-programming-The-robot-arm-is-controlled-by-a-powerful-ATMEGA64-microcontroller-that-is-programmable-via-Open-Source-Tools-in-C-The-user-can-upload-his-own-programs-simply-&-easily-via-the-supplied-USB (Universal Serial Bus)-interface-&-the-Uploader-software-The-I-O-inputs-&-outputs-together-with-the-flexi