This receiver for a modulated light intercom was found in a 90s Elektor. The audio amplifier can be replaced by an equivalent. The sensor can be any phototransistor.
The New Microchip development board is targeted to designers who work with 16- and 32-bit PICs....
The circuit shown was found in the February 1994 issue of Electronics Now magazine. The circuit...
The circuit presented is suggested by Mullard (Philips) in an old manual. The circuit uses a...