This small transmitter appeared in the March 1989 issue of Radio Electronics magazine. The two-transistor circuit used an electret microphone and had a range of a few dozen meters.
The I2C EERAM Memory is a Low - Cost NVSRAM that Eliminates the Need for an External Battery to...
This Motorola circuit, found in old documentation, keeps the voltage applied to a load by a triac...
This circuit consists of a good perfromance audio amplifier powered from two or four batteries and has...