This wireless infrared remote sound transmitter is from an article published in the August 1988 issue of Radio Electronics magazine. The circuit can be built using modern, higher-power LEDs.
July 2017 - Microchip's new MCP39F511 demonstration and development boards, which consist of...
This circuit, which controls both the temperature and the level of a liquid in a reservoir, was...
This circuit provides a constant current of 1 mA, stabilized by an LED, which can be equivalent to that...