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 […]
Sumobot Circuits
Dave Hrynkiw
November 13, 2002
We've been having fun playing with the L293D driver chip. It's one of those things to see how much you can make it do by itself (like with any BEAM application!).
Grant McKee has been experimenting with some simple additions to the chip to make it (unto itself) a suitable brain for a simple mini-sumo robot. Check it out in our "Special Projects" section!
MORE POSTS
New Sanyo Gear motors
Wow! They're finally here! These are the original gear motors we used sooo many years ago to convert and power the Miniball kits (yes, they're under review for bringing back - don't rush us!). We're the only place to find the whole assortment of four gear ratios - 75.7, 134.5, 196.6, and 297.1:1 reduction, and […]
Canada Post Web Services Update
In regards to the Canada Post Services interruption we posted about earlier: Canada Post has withdrawn its 72-hour notice of service interruption, which was to take effect Monday, July 11. Mail and parcels will be delivered as usual and mail service will continue without interruption. Canada Post shipping option is again available in the checkout […]
New: The Ardweeny BackPack!
We've been playing with the Pick and Place machine, and thought about new projects. This one, besides just being plain handy, offered us a simple project to start adding surface-mount parts to! The Ardweeny is proving to be a popular way to make a breadboard-friendly Arduino-clone, but after the prototyping is done, you still have […]
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.