IRF640 is a N-channel Power MOSFET designed for applications such as switch mode power supplies (SMPS), DC-DC converters, motor control, and general purpose switching. Here is the complete datasheet for […]
Search Results for: RGB
LED Light Circuit for Street Vendors, Hawkers, Shopkeepers
In this post we will discuss how to build a very simple, low cost LED lamp with charger. This unit can be used by any street seller, vendor, hawker, to […]
Ultrasonic Burglar Alarm Circuit
An ultrasonic burglar alarm circuit is an electronic device which transmits ultrasonic waves to detect the movement of an intruding person. The ultrasonic waves hit the intruder and the reflected […]
7 Automatic Street Light Circuits [Using Relays and Solar Panel]
In this article we will discuss 7 useful yet simple automatic street light circuits using 220 V relays and solar panel. All the presented circuits can be used for automatically […]
Light Meter Circuit with LED Bar Graph
In this post we will discuss 3 different light meter circuits for measuring power of light. In the first method we will use only a solar cell and a multimeter, […]
DC Lamp Dimmer Circuit using IC 555
In this post we will learn how to use the control pin#5 of the IC 555 to build a simple PWM controlled DC light dimmer circuit. The proposed DC lamp […]