The Solarbotics GraviTrack Marble Machin...

#4-40x1/2in Yellow Zinc Standoff, M/M, 1/4in threaded ends $0.50 #4-40 x 1/2" yellow zinc coated (chromate) steel standoff. IR Reflector sensor with leads $1.00 Reflective optical sensor with transistor output. 44mm Piezo Speaker $2.25 For making a LOUD beep, this piezo suits your need. Comes mounted in a plastic case with mounting tabs. Maxell LR44 […]

We've managed to dig up enough parts to get six ScoutWalker III's together in time for Christmas. We'll have them ready by the end of the week for shipping, so if you don't mind waiting for your order to go until then, feel free to pre-order now!

I created this choker as a project to demonstrate the new MicroNova APA102-2020 LED strips. Photo by Yeti, edited by Batgirl These addressable LEDs are extremely small, less than 1/4 the size of a standard 5050 LED. This project was built using engineering sample standard MicroNova 99 LED / meter strips . The MicroNova strips we are selling have 198/meter - […]

We are finally stocking the complete parts bundle (with PCB) to compliment David Cook's Robot Building for Beginners book. Check out our kits section, and take a look at the Sandwich parts bundle which contains everything, including a nice set of documentation, to build your very own Sandwich bot.