This is the circuit of a modified Heathkit kit. The circuit was found in a Radio Electronics from December 1965. The author of the circuit included improvements to the original circuit.
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...