DIY HV Variable capacitor

The circuit is based on the type EL2020 (or similar) operational amplifier which is marled by...

The circuit uses a Signetics NE565 PLL (Phase-Locked Loop) as a detector to recover the SCA...

Here is the circuit diagram of an infrared intrusion detector. Whenever a trespasser cuts the...

The laser diode ·pulser is a simple drive circuit capable of driving the laser diode with 10-A,...

Long distance infrared transmitter circuit diagram. Here is a simple circuit that will give you a...

Following the 4th Apple iPad charger failing and not wanting to spent even more money with Apple...

The chassis layout has been designed, and the 17" x 14" x 3" steel chassis is ready for drilling...

A circuit diagram for a mini battery-powered version of roulette is shown, This circuit uses a...

The usual procedure for the production of sustained oscillations in tuned L-C networks is to...

Adjusting Ro or RP, you can change over the current setpoint. Circuit shown in Figure 14-98....