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 […]
Electronic Speed Controller
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 […]
How to Make BLDC Ceiling Fan for Power Saving
Within the next few years we may find all conventional capacitor-start type of ceiling fans getting replaced with BLDC ceiling fan circuits, since the concept allows the operation to be extremely efficient and save power by more than 50%. Replacing Capacitor Start Fan with BLDC Fan Just as the traditional incandescent lamps today are […]
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 […]
Compact 3-Phase IGBT Driver IC STGIPN3H60 – Datasheet, Pinout
In this post we discuss the datasheet, and the pinout specification of the IC STGIPN3H60 from ST microelectronics, which is perhaps the slimmest and the smartest 3-phase IGBT driver IC featuring in-built IGBTs, rated to work with 600V DC bus and upto 3 amp current, that’s equivalent to almost 1800 VA handling power. 3-Phase IGBT Driver […]
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 […]