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SparkFun Electric Imp Breakout $17.48 The SparkFun Electric Imp breakout board makes it easy to experiment with your Electric Imp IoT project. ESP-12F AP+STA Remote Serial Port WIFI Controller / Module $9.38 The ESP8266 (ESP-12F AP+STA) is a nice "Internet of Things" microcontroller with Wifi (or as a Wifi bridge for your project) Adafruit Metro […]

Solarbotics and the Useless Box have been mentioned in the Wall Street Journal article "Looking for Something Useful to Do With Your Time? Don't Try This"! It is dedicated to the historical overview of the uselessness starting with its invention in the 1950s to nowadays. The useless box can take many guises, names and materials […]

The night before WCRG, and all through the office, not a creature was stirring...except two dozen mini-sumo robots - AAAHH! Thanks to Alberta Printed Circuits, we were able to sponsor a mini-sumo workshop to build 24 robots to compete in the next day's Western Canadian Robot Games.

This circuit is used to create a simple "edgebot" sumo robot. Being an edgebot refers that it will repeat the same backup/turn/go forward action when it's single edge sensor detects the edge of the ring. This version of the circuit is quite simple, and always turns the same way.