Home Motor drivers Solar engines Sensors Complete robots Misc. circuits Charge pumps Battery chargers Sound generators Remote control RF Tx / Rx Solar cell simulators Op-amp based Nv nets Power switching   The BEAM Circuits Collection is a BEAM Reference Library site.		Miscellaneous BEAM Circuits What didn't fit elsewhere This section contains odd and interesting circuits I've run across along the way. Charge pumps -- a charge pump uses arrays of capacitors to increase voltage in a circuit.  In this way, you can drive higher voltage loads from logic voltages of 3 - 5 volts. Battery chargers -- handy for non-solar BEAMbots (particularly ones that use rechargeable batteries in "non-standard" shapes and sizes) Sound generators -- if your BEAMbot makes sounds, it's a multi-sensory experience! Remote control -- a more-direct way to make your BEAMbot do what you want Radio frequency transmit / recieve -- another way to communicate with your BEAMbot (or enable groups of them to talk together) Solar cell simulators -- mighty useful in testing and designing your 'bots Op-amp based Nv nets -- a more complex, but more flexible way of implementing bicores and quadcores and such.   And then, what doesn't even fit here: Green Thumb by Steve Bolt 8 pages, 1 image / 25 KBytes inline on home page Solar plant monitor; copiously documented. For more information... Chiu-Yuan Fang maintains Rigter's NuPages, an archive of articles by Wilf Rigter (distinct from Wilf's own pages, the NuWEB). BEAM Heretics (now defunct) used to have a lot of good discussions on BEAM topics; also another collection of Wilf Rigter's circuits (hopefully both will return some day). There's a British electronics club called 4QD that has a good circuit archive here.
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