Suggested by General Electric in a 1970 documentation, this circuit makes use of some components of the time, in the case of transistors. The circuit detects smoke by the transparency changing of the air.
This circuit has visual and audible status indication using an oscillator. The circuit is from a...
Found in a 1995 documentation, this circuit is an alternative output to the previous circuits. The MOSFETs...
May 2017 - Mouser Electronics already has Microchip's new MCP14A0451 and MCP14A0452 integrated...