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how H-brigde is working – Circuit Schematic
how H-brigde is working
Please help me out to understand *how this H-brigde is working? i tried but i couldn`t make any sense. i mean i know the general working of the circuit but i do...
Water Pump Relay Controller Circuit Schematic – Circuit Schematic
Water Pump Relay Controller Circuit Schematic
By means of a Relay, employed to drive a water pump, this circuit provides automatic level control of a water reservoir or well. The shorter steel rod is the wa...
Two Basic Motor Speed Controllers – Circuit Schematic
Two Basic Motor Speed Controllers
Here are two simple 12V DC motor speed controllers that can be built for just a few dollars. They exploit the fact that the rotational speed of a DC motor.....
Stepper Motor Generator – Circuit Schematic
Stepper Motor Generator
Stepper motors are a subject that keeps recurring. This little circuit changes a clock signal (from a square wave generator) into signals with a 90-degree.....
Stepper Motor Generator – Circuit Schematic
Stepper Motor Generator
Any stepper motor can be used as a generator. In contrast to other generators, a stepper motor produces a large induced voltage even at low rotational spe.....
Stepper Motor Controller – Circuit Schematic
Stepper Motor Controller
Stepper motors are available in several versions and sizes with a variety of operating voltages. The advantage of this general-purpose controller is that.....
Rotative Speed Regulator Borer Driller Controller – Circuit Schematic
Rotative Speed Regulator Borer Driller Controller
This rotative speed regulator circuit schematic allows to control the holing speed of your borer or driller machine. This project is based on the fact tha.....
Rolling Shutter Motor Control – Circuit Schematic
Rolling Shutter Motor Control
An electrically operated rolling shutter usually has a standard control panel with a three-position switch: up, down and stop. If you would like to automa.....
Polarity Reverser – Circuit Schematic
Polarity Reverser
There are systems in which it is imperative that the supply voltage of, say, a motor, always has the correct polarity. It is, of course, possible to use a.....
PC Fan Speed Controller - For a Low-Noise PC – Circuit Schematic
PC Fan Speed Controller - For a Low-Noise PC
The fan runs constantly in many PCs, which may not even be necessary. A simple controller circuit can regulate the fan speed according to demand. This not.....
Discrete PWM Generator Circuit – Circuit Schematic
Discrete PWM Generator Circuit
PWM waveforms are commonly used to control the speed of DC motors. The mark/space ratio of the digital wave-form can be defined either by using an adjusta.....
DC Motor Speed Controller – Circuit Schematic
DC Motor Speed Controller
This circuit takes advantage of the voltage drop across bridge rectifier diodes to produce a 5-position variable voltage supply to a DC fan or other small DC mo...
12V Speed Controller/Dimmer – Circuit Schematic
12V Speed Controller/Dimmer
This handy circuit can be used as a speed controller for a 12V motor rated up to 5A (continuous) or as a dimmer for a 12V halogen or standard incandescent.....
Protect IGBTs by Sensing Current Using Optical Isolation Amplifiers – Circuit Schematic
Protect IGBTs by Sensing Current Using Optical Isolation Amplifiers
Insulated-gate bipolar transistors (IGBTs) require full protection to avoid damage and failures resulting from conditions such as short circuits, overloads and ...
DC Chopper control vs Phase Angle control – Circuit Schematic
DC Chopper control vs Phase Angle control
The two most common motor-control methods are: DC Chopper control and Phase Angle control. This article explores the differences between the two methods, identi...
RS 422 Compatible Indicator – Circuit Schematic
RS 422 Compatible Indicator
design of the circuit and coding for the project`s stepper motor controller, the development of the circuit and coding for the speed-controlled DC motor for the...
Stepper Motor Controller – Circuit Schematic
Stepper Motor Controller
Stepper motors are useful for relatively low-speed, intermediate-torque drive and positioning applications, particularly where accurate sub-revolution rotor pos...
Integrated MCUs simplify hybrid EV motor control – Circuit Schematic
Integrated MCUs simplify hybrid EV motor control
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Analog circuit enforces slow servo response – Circuit Schematic
Analog circuit enforces slow servo response
The all-analog circuit presented controls the rateat which a miniature turbojet engine can be throttled. Increasing or decreasing the throttle too quickly on a ...
Teardown: The nuances of variable-frequency drives – Circuit Schematic
Teardown: The nuances of variable-frequency drives
An ac drive controls ac induction motors and, like its dc counterparts, controls speed, torque, and horsepower. A dc drive typically controls a shunt-wound dc m...