9 volt power supply circuit | Next Electronics

Many devices operate from a car's 12-V electrical system. Some require 12 V, while others need a lower voltage. An automobile battery's output can vary from 12 to 13.8 V under normal circumstances. The load requirements of the device may...

PFC Switching Power Supply

The following circuit illustrates a Power Factor Correction (PFC) Switching Power Supply Circuit Diagram. Features include suitability for 1U (1.75-inch) form factor and minimization of input harmonics. The PFC Switching Power Supply Circuit is designed to enhance the efficiency of power...

mini drill speed regulator

An integrated voltage regulator connected in reverse to a mini drill allows for speed adjustment within specific limits, maintaining a constant speed regardless of load. The electronic speed control is achieved through a voltage regulator, which can power motors requiring...

bjt Low voltage/current power supply for wide range of inputs

A simple low voltage/current power supply that can accept a wide range of input voltages, up to several hundred volts. The input range is specified as 20 to 160V DC, with an output requirement of 10V and a maximum current...

power How can I switch a high current with a low-rated switch

The project involves designing and constructing a breadboard power supply that draws power from an ATX-like switch-mode power supply (SMPS) using a 4-pin Molex connector. The design features a switch to select either a 12V or 5V output. However, the...

electronic dice

This beginner's breadboard circuit simulates the action of throwing a dice. By pressing a button, the circuit generates a random output, lighting up one of six LEDs to represent the result of the throw. The circuit utilizes a microcontroller or a...

Bridge Rectifier

This bridge circuit is designed for applications requiring two unequal supply voltages. The lower voltage is obtained using a transformer with symmetric windings and half-wave rectification of the potential across one winding. The higher voltage is derived from the potential...

5V power supply using 7805 IC with circuit diagram

A 5V power supply using IC 7805 is designed and explained with a neat circuit diagram. The circuit for a 5V power supply utilizing the IC 7805 voltage regulator is a straightforward and efficient design that provides a stable output voltage...

DIY Satellite Finder Circuit

A circuit has been identified that integrates a voltage regulator and filter to isolate the voltage supplied by the receiver for powering an operational amplifier (op-amp) that drives a meter. Additionally, the circuit isolates the carrier frequency from the satellite,...