Electronic Letter Box Project Circuit The circuit which is explained below is been employed as an Electronic Letter Box. When letter drop by someone into the letter box then the LED attached at the output stops blinking

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Date: 2014-02-17 03:45:54		Electronic Letter Box Project Circuit The circuit which is explained below is been employed as an Electronic Letter Box. When letter drop by someone into the letter box then the LED attached at the output stops blinking Add to Reading List Source URL: www.idc-online.com Download Document from Source Website File Size: 255,96 KB Share Document on Facebook