GM15 tiny gear motors

Here's a funky motor for you - the GM19! Slightly larger than the other metal gearhead series (GM11-14), and with a larger motor, this 35:1 beasty looks like a good contender for building mini-sumos or other small, speed-hungry robots! But be warned: It is a bit strange. The gearhead is mounted askew to the motor, […]

In compliance with the upcoming holidays we decided to contribute to the obligatory dose of Christmas ornamentation in the shape of the well-known coniferous tree. A tabletop freestanding tree with LED strings and a flashing star on top seemed like an easy enough thing to do. We also wanted to add a tech twist to […]

Not just another *uino clone, as this uses a 32-bit Atmel AT91SAM7X ARM microcontroller. Sure, it uses the same form factor (well, except for the breadboard-friendly mini version), but the Netduino uses the .NET micro framework. What's that mean? Well, you're using a hugely more capable microcontroller (8-bit vs 32 bit), with much more memory […]

Unlike Sparkfun, who actually manage to find fake Atmel ICs, we just get strange batches. The Atmel ATMega328 is the power behind the Arduino/Freeduino/*duino, and we have to set up a programming system to burn the venerable Arduino Bootloader into these chips. We normally use an AVR STK500 in HVSP (high voltage serial programming) mode, […]