3 easy to build speed controller circuits for DC motors are presented here, one using Mosfet IRF540, second using IC 555 and the third concept with IC 556 featuring torque processing. Design#1: Mosfet based Motor Speed Controller A very cool and easy DC motor speed controller could be build using a just a single mosfet, […]
Search Results for: motor
Understanding Scalar (V/f) Control Algorithm for Induction Motor Control
In this article we will try to understand how scalar control algorithm is implemented for controlling induction motor speed with relatively straightforward calculations, and yet achieve a reasonably good linearly variable speed control of the motor. Reports from many top market analysis reveal that induction motors are the most popular when it comes to handling […]
Solid State Contactor Circuit for Motor Pumps
In this article we learn how to design and build a solid state contactor circuit using triacs for operating heavy duty loads like submersible borewell pump motors with high reliability, and without any concerns about wear and tear issue or long term degradation issues of the contactor unit. What is a Contactor A contactor is […]
L298N DC Motor Driver Module Explained
In this post we are going to learn about L298N dual H-bridge DC motor driver module which can be used to drive brushed DC motors and stepper motors with microcontrollers and ICs. By Girish Radhakrishnan Overview Modular circuit boards are best time savior for electronics designers which also reduce the prototyping errors. This is mostly […]
How to Control Servo Motor Using Joystick – Full Program Code and Circuit Diagram
In this post we will learn how to control servo motors using a joystick and Arduino. We will see overview about joystick, its pins, its construction and working. We will be extracting useful data from the joy stick which will be base for controlling the servo motors. By Girish Radhakrishnan Introduction The motto of this […]
Driving Unipolar Stepper Motor using IC 555 Timer
In this project we are going to run a unipolar stepper motor using 555 timer. Apart from 555 timer we also need IC CD 4017 which is a decade counter IC. By Ankit Negi Any unipolar motor can be connected to this circuit for performing specific task, though you need to do some small changes […]
Electric Wheelchair using BLDC Motor
In this post we learn how to make a simple electric wheelchair using a standard BLDC motor driver circuit, and a couple of high power BLDC motors. Introduction The introduction of electric wheelchair was like a boon to our many differently-abled friends who now find it much easier to move and travel around, effortlessly, with […]
High Current Sensorless BLDC Motor Controller using Back EMF
In this post we discuss a high current sensorless BLDC motor controller circuit which does not depend on hall effect sensors for initiating the operations rather utilizes the back EMF from the motor for the sequential input Overview For proper commutation most 3-phase BLDC driver circuits rely either on a sensor based feedback or from […]
Wireless Servo Motor Control Using 2.4 GHz communication link
In this post we are going to construct a wireless servo motor circuit which can control 6 servo motors wirelessly on 2.4 GHz communication link. By Girish Radhakrishnan Introduction The project is divided into two parts: a transmitter with 6 potentiometers and a receiver circuit with 6 servo motors. The remote has 6 potentiometers to […]
Circuit Diagram for 50V 3-Phase BLDC Motor Driver
This yet another versatile 3-phase driver device in the form of IC L6235 from ST Microelectronics allows you to drive a 50V 3-phase BLDC motor with extreme efficiency.The chip also includes all the required protection features built-in, along with an easy to configure external speed control stage. How the IC L6235 BLDC Driver Works The IC […]
How to Run a Servo Motor using IC 555
In this project we are going to learn the basic specifications of a servo motor and also how to operate a Servo Motor using a 555 timer IC, and a couple of push buttons. By Ankit Negi WHY SERVO? Servo Motors are used in variety of fields. These are mainly used as actuators in those […]
High Current Motor Control using Arduino
In this project, we discuss how to control motor speed using Arduino PWM circuit, and how to implement reverse forward or direction control in a DC motor using Arduino through a couple of push button switches. Any high current motor upto 30 amp can be controlled using this set up By Ankit Negi Motor is […]
Universal ESC for BLDC motors
In this post we discuss a universal ESC circuit or an electronic speed controller circuit which can be universally applied for controlling any type 3 phase BLDC motor. What is an ESC An ESC or electronic speed controller is an electronic circuit which is normally used for operating and controlling a BLDC 3-phase motor. BLDC […]
Making a Motor Controller using L293 IC
The article explains how to make motor controller circuits using the IC L293 through different modes of operations, and by using as many as 4 motors with separate control facility. In our previous post we studied the pinout and functioning details of the IC L293, here we learn how the same IC can be used […]
Automatic Torque Optimizer in Electric Motors
In this article we discuss a circuit design which will help to optimize the torque of an induction motor used in electric vehicles, by analyzing its current consumption. Using a IC 555 Inverter for Toque Control The design is specifically intended for electric vehicles which are designed to work with induction motors, and therefore here an […]
Stepper Motors – Detailed Step by Step Explanation
In this post we are going to learn about stepper motor. We will be exploring what stepper motor is, its fundamental working mechanism, types of stepper motor, stepping modes, and lastly its advantages and disadvantages. By Girish Radhakrishnan What is stepper motor? Stepper motor is brushless motor; its rotating shaft (rotor) completes one rotation with […]
Understanding Motorcycle Voltage Regulator Wiring
The article provides a detailed explanation regarding the various voltage regulator wiring configurations used in motorcycles. The article was submitted by Mr. Abu-Hafss. Technical Specifications After working on different voltage regulators, I feel to share my findings on your blog so that other people may also get benefit. Please insert the diagrams appropriately in the […]
How to Interface Servo motors with Arduino
In this post we are going to learn what servo motor is, how it functions, how to interface with microcontroller and what make this motor special from other motors. By Girish Radhakrishnan Being an electronics enthusiast we would have come across many kinds of motors, here we are going to take a look at special type […]
GSM Pump Motor Controller using Arduino
In this post we are going to construct a farmer friendly GSM pump motor controller circuit which could turn on and off the irrigation system remotely from anywhere in the world via cellphone SMS and return you with an acknowledgement message. The idea was requested by Mr. PG Ragavandir. By: Girish Radhakrishnan Implementing GSM […]
Bluetooth PWM Motor Controller
The post explains how to use Bluetooth technology for transmitting PWM wirelessly, the circuit application could be used for controlling various appliances such as motors, lights, RC gadgets etc using your Android phone. The Bluetooth PWM Transmitter In one of my earlier posts I explained how to hack and modify a Bluetooth headset for making […]