This circuit for igniting gas flames was found in a 1967 Electronic Design. The SCR firing device is a gas lamp of the time.
This new AMS device consists of a digital color sensor and proximity sensor that also incorporates an infrared...
This amplifier was found in an old publication of 1990. With the changes, it may still be...
This circuit was found in a May 1981 Radio Electronics magazine article. The circuit is offset...