I2C Programmable PWMs to Control a DC Motor and LED
https://www.electronics-lab.com/project/i2c-programmable-pwms-to-control-a-dc-motor-and-led/
This project features an I²C-controlled DS1050 PWM generator paired with a 17A MOSFET to drive LEDs and resistive loads, with the flexibility to handle high-current or inductive loads provided proper heat management and flyback protection are utilized.
TL494-Based PWM Generator Module
https://www.electronics-lab.com/project/tl494-based-pwm-generator-module/
This module is a versatile PWM generator based on the TL494 control chip. Its flexible design allows custom component configuration for various applications beyond power supply control. The TL494 integrates key functions like two error amplifiers, an adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering flip-flop, and a precision 5V regulator.
Push-Pull Voltage Mode PWM Controller
https://www.electronics-lab.com/project/push-pull-voltage-mode-pwm-controller/
This project is a simple, low-voltage push-pull PWM controller using the TI LM5032 chip and two MOSFETs. It's suitable for applications like DC-DC converters or Tesla Coil drivers. Frequency, current sensing, and soft start are configured via external components.
High-Voltage Isolated Half-Bridge Driver (Up to 1kV)
https://www.electronics-lab.com/project/high-voltage-isolated-half-bridge-driver-up-to-1kv/
A fully isolated 1kV half-bridge driver for high-voltage use. Features isolated DC-DC converters, 1.2KV IGBTs, power LEDs, and 2.5kV galvanic isolation between signal and power grounds. Accepts 12V DC input and PWM control.
PWM Heater Driver
https://www.electronics-lab.com/project/pwm-heater-driver/
The project presented here is a high-current adjustable PWM (Pulse Width Modulation) source, designed to drive various loads such as PTC (Positive Temperature Coefficient) devices, DC motors, solenoids, high-power LEDs, and valves. The project consists of three main components: an SG3525 PWM generator, an MCP4015 MOSFET gate driver, and a MOSFET for load driving. The […]
High-Voltage Half-Bridge Board with Adjustable PWM Signal Generation
https://www.electronics-lab.com/project/high-voltage-half-bridge-board-with-adjustable-pwm-signal-generation/
The high-voltage half-bridge board features a 2ED2184 half-bridge gate driver, 2 x IKW20N60H3FKSA1-ND IGBTs, and an SG3525 PWM signal generator. This board is designed to support bus supplies of up to 400V DC, PWM frequency up to 6.5Khz and adjustable duty cycle range 2% to 98% making it suitable for a wide range of applications, […]
3-Phase Brushless Motor Driver
https://www.electronics-lab.com/project/3-phase-brushless-motor-driver/
This 3-Phase Brushless Motor Driver features the FAN73893 3-Phase Half-Bridge Gate Driver and 6XFDB047N10 MOSFET, delivering a compact design that supports currents up to 5A and operates within a power supply range of 12V to 60V DC. The board is equipped with a screw terminal connector for effortless connection of the motor and motor power, […]
3.3V Automotive Step-Down Regulator – Low-Iq, Dual-Mode
https://www.electronics-lab.com/project/automotive-step-down-regulator-low-iq-dual-mode/
This is a Dual Mode regulator intended for Automotive, battery-connected applications that operate with up to a 36V input supply. Depending on the output load, it operates either as a PWM Buck Converter or as a Low Drop-Out Linear Regulator, and is suitable for systems with low noise and Low Quiescent Current requirements often encountered […]
Bluetooth Smart LED Dimmer – 4 Channel Bluetooth ON/OFF Switch
https://www.electronics-lab.com/project/bluetooth-smart-led-dimmer-4-channel-bluetooth-on-off-switch/
This Bluetooth Smart LED Dimmer, 4 Channel ON/OFF Switch is a versatile device that enables users to control various devices, including lights, fans, and DC motors, using a Bluetooth app on an Android device. The device features a 4-channel dimmer that can handle inductive or resistive loads with a power supply range of 12V to […]
RC PWM Signal to Stepper Pulse Generator
https://www.electronics-lab.com/project/rc-pwm-signal-to-stepper-pulse-generator/
This simple Arduino compatible project reads an RC PWM signal (1000μs to 2000μs) and provides 0 to 500Hz pulse output to drive a stepper motor. Step and Direction outputs are open collector types 5V signals. Both signals can directly drive LEDs of optocoupler of stepper drivers. The board consists of ATMEGA328 chip and 2 x […]