Piezoelectric Driver 2 (CB21148E)

This circuit uses an integrated CMOS having the frequency determined by the resistors and capacitors. Power can be between 3 and 12 V.

Transistor Microammeter (CB3921E)
This circuit consists of an adapter that allows the reading of low currents at various scales. A...
Infrared Alarm (CB14669E)
In this circuit of Texas Instruments an incandescent lamp is used as a light source, and lenses are...
Oscillator and Divider up to 16,384 using the 4060 (CB385E)
The frequency of a XTAL (up to 1 MHz) can be divided by powers of 2 up to 16,384 using the CMOS IC...