Home Motor drivers Solar engines Sensors Complete robots Pummers Ornaments Heads Solarrollers Photopoppers 1381 poppers 555 poppers 74x14 poppers 74x240 poppers BEAMant Miller popper "FRED" popper Walkers Misc. circuits   The BEAM Circuits Collection is a BEAM Reference Library site.		1381-based photopoppers A collection of photopopper circuits based on the 1381 voltage detector Basic 1381-based photopopper As you can see fairly quickly, this circuit is based on wiring two 1381-based solarengines together (with the addition of two photodiodes for photosensitivity, and a variable resistor for tunability). 1381-based photopopper with touch sensors This circuit is a simple modification of the "Basic" circuit, above.
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