Remember the 3D-printed mechanum wheels I blogged a while ago? Well, maker ROB K636 built a cool mecanum bot powered by four battery packs, an arduino, screw shields and what looks like a motor shield. I really like how he created colored wheels using regular old Rit clothing dye. My question is, why use mecanum wheels other than for cool? Wouldn’t you want one wheel on each side of a square chassis to enable 360-degree movement? The way it is now, it seems like you could use regular wheels and achieve the same range of movement. (Note: the maker has generously shared the wheels’ .STL files on Thingiverse.)
Eink, E-paper, Think Ink – Collin shares six segments pondering the unusual low-power display technology that somehow still seems a bit sci-fi – http://adafruit.com/thinkink
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.