|BEAM Projects > Mini PendulumBot|
SunSwinger schmatic from SolarBotics.com
Circuit used: SunSwinger
This one is quite similar to the original PendululmBot. The only real difference is the form factor. The schematic is the same. I purchased the magbot coil from Solarbotics.com. I free-formed the circuit and used brass tube for the frame. The bar magnet is a 1/8' round neodymium magnet. I mounted my magnet on the end of a brass wire (with hot melt glue), but you could have just as easily used a piece of fishing line. One thing to note is that the LED is reverse biased in the schematic. This is correct. You could replace the LED with a diode and a high-voltage capacitor and put the back-EMF to work. I would suggest downloading the PDF from Solarbotics.com or ordering the kit.
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