Unipolar Stepper Motor Driver Circuit
https://www.electronics-lab.com/unipolar-stepper-motor-driver-circuit/
This unipolar stepper motor driver circuit is used to drive a 12V unipolar stepper motor with a current rating of 1.25A. It uses PCA9537 IC, which is a 10-pin CMOS device that provides 4 bits of General Purpose I/O (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applications. It consists of a 4-bit configuration register […]
3A Unipolar Stepper Motor Driver
https://www.electronics-lab.com/3a-unipolar-stepper-motor-driver/
This tiny Unipolar stepper motor driver has been designed around SLA7078MPR IC from Sanken, It is unipolar stepper Motor driver can handle current up to 3 Amps, micro-stepping up to 1/16 steps. On-board Jumpers to set the Micro-stepping, Preset (Potentiometer) to set the current. The SLA7070MPR series motor driver ICs features unipolar drivers. The clock-in […]
DC Servo Motor Driver – Analog Closed Loop Control
https://www.electronics-lab.com/dc-servo-motor-driver-analog-closed-loop-control/
Versatile project has been designed to use in automotive application and industrial servo control application. This project provides all active necessary functions for closed loop servo system using Brushed DC Motor and potentiometer mounted on output shaft of DC Motor Gear. This project is ideally suited for almost any servo positioning application. Features POWER SUPPLY: […]
DRV8871 – 3.6A Brushed DC Motor Driver
https://www.electronics-lab.com/drv8871-3-6a-brushed-dc-motor-driver/
The DRV8871 is a brushed-DC motor driver for printers, appliances, industrial equipment, and other small machines. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that can control motors bidirectionally with up to 3.6-A peak current. The inputs can be pulse-width modulated (PWM) to control motor speed, using a choice of […]
Single Channel SMD Relay Driver
https://www.electronics-lab.com/singe-channel-smd-relay-driver/
Single Channel Relay Board is a simple and convenient way to interface a relay for switching application in your project. Specifications Input supply 12VDC @ 42 mA On Board 5V Regulator provides 5V output Output SPDT Relay Relay specification 5 A @ 230 VAC Trigger level 2 ~ 9 VDC […]
Laser Diode Driver
https://www.electronics-lab.com/laser-diode-driver/
Laser Diode Driver project will help you safely drive (constant current) a 3 mW visible Laser Diode for your application. Input supply – 2.5 to 6 VDC Onboard preset to adjust the current flow to the Laser Diode Power-On LED indicator Header connector for easy input supply and LASER DIODE module connection Laser diode is […]
PCA9550 LED Driver With Programmable Blink Rates
https://www.electronics-lab.com/pca9550-led-driver-with-programmable-blink-rates/
This project introduces the use of PCA9550, an LED driver that causes the 2 LEDs to ON/OFF or in a flashing state at programmable rate. It has 2 selectable, fully programmable blink rates between 0.172Hz and 44Hz or 5.82 seconds and 0.023 second respectively. Its internal oscillator does not require external components and I2c bus […]
2.5A BIPOLAR STEPPER MOTOR DRIVER LV8772E
https://www.electronics-lab.com/2-5a-bipolar-stepper-motor-driver-lv8772e/
Tiny Board has been designed around LV8772 IC from On-Semi. This driver is capable of micro-step drive and supports 4W 1-2 phase excitation. It has Low on Resistance with motor current selectable in four steps. The board is equipped with unusual condition warning LED and input Pulse Monitor LED. It is most suitable for the […]
A low-cost 0.5A 33V LED driver module with 90+% efficiency
https://www.electronics-lab.com/a-low-cost-0-5a-33v-led-driver-module-with-90-efficiency/
by Valentin Kulikov @ edn.com This article describes simple constant current driver module with fast PWM input that can be used for driving medium and high power LEDs. The module uses an integrated constant-current output, DC-DC buck converter with output current configurable from 0.1 to 0.5A. This article outlines the schematic, design guidelines, operation, and performance […]