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Question: What ever happened to punch cards? Nobody really knows, but the world became a much much darker place without them. There was something undeniably magical about making a computer do your bidding through feeding it a piece of paper with a bunch of holes in it ("THE ULTIMATE POWER IS MINE! I CAN NOW […]

Although not a true BEAM robot, this simple schematic by Randy Sargent is small, simple, slick, and effective. My own version uses a pair of pager motors and three cells from a 9V rechargeable battery. Hard to get any simpler than this device!

Grove - Loudness Sensor $7.68 Detect sound with this well-engineered Grove loudness sensor. Grove - Thumb Joystick $7.68 A handy Grove module thumb-joystick. Grove - 3 pin to Grove 4 pin converter cable $.588 Add your traditional 3-pin GVS (Ground / Voltage / Signal) device to a Grove plug. Grove - Servo Branch Cable $5.88 […]

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 […]