The Solarbotics GraviTrack Marble Machin...

New product for your attention: Electret Microphone Breakout $7.95 Audio sensors & mics have to be amplified just right for best response. Here's a tidy unit engineered by Sparkfun to make adding an electret mic to your project easy. MEMS microphone board $9.95 Newer MEMS microphones give much better response than older style electret mics, […]

Fixed a reset problem in the sumo code, turns out the a If...Then statement does not store its location on the stack. Ergo the return instruction at the bottom of the turn function was pulling a random location. Anyway a change from a return to a goto and everything is shipshape, savvy? Then download the […]

We are happy to announce the arrival of the Battery Edition Marble Machine. Starting today it is available at our website for backorder, and will be fully available for purchase starting tomorrow May 16. You are probably familiar with its older cousin, the Solar Marble Machine that has a clever circuit that delivers short bursts […]

Seeed Grove - RTC $6.90 The RTC module is a member of Twig. It is based on the clock chip DS1307 which supports the I2C protocol. It uses a Lithium cell battery (CR1225). The clock/calendar provides seconds, minutes, hours, day, date, month and year information. Nidec SMD Vibra motor 1.3V DC, 105mA, 9500rpm $3.00 Surface-mount […]