Digital Variable Resistor / Potensiometer DS1669

55 years ago

The DS1669 is an electronic digital rheostat manufactured by Dallas Semiconductor. This component has a function similar to digital variable…

2 Way Speaker Box Design

55 years ago

This is 2 way speaker box design for audio system. I've used this design for my home audio system, the…

USB Power Booster for PC / Laptop

55 years ago

This is the circuit diagram of USB power booster, expecially to strength the power capability of USB port from PC…

220V 800W Lamp Flasher

55 years ago

This is 220V 800W lamp flasher circuit directly connected to 220V mains. One or more lamp which has high consumption…

Proximity Infrared Detector

55 years ago

This is the simple circuit of proximity infrared detector, proximity sensor based  infrared. The applications of this circuit are the…

Light Alarm with Timer 555

55 years ago

Here is the simple and low cost light alarm circuit built using timer IC 555 as the sound generator and…

Car Parking Guard based IR Sensor

55 years ago

This is the circuit diagram of car parking guard based IR sensor to detect the distance between car bumper and…

Car Audio System Anti Theft Security

55 years ago

This is the circuit diagram of car audio system anti theft security which can be effectively used to protect and…

Scoring Display with 7 Segment LED

55 years ago

This is the circuit diagram of game scoring display using 7 segment LED. This circuit consist of a timer IC,…

Aquarium Temperature Probe

55 years ago

This is the electronic circuit diagram of aquarium temperature probe capable to monitor the temperature of water and indicate the…