Experimenters Corner by: Lorrie Matchett
A simple method in visualizing a cell phone call (data transfer) with the use of a miniature amplifier and a led light bulb...As seen in this video ( 1 ) miniature transistor amplifier taken from a big ear microphone for bird listening...( 2 ) 110-volt ac to12-volt ac wall transformer ( secondary not connected )...( 3 ) nine volt transistor battery ( 4 ) pen microphone, not is use....( 5 ) 110-volt led light bulb / socket... Important note: Not all cell phones will do the job as seen, so you will need to do some experimenting on your own....( epowerplus@gmail.com )
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