High Voltage 3-Phase Full-Wave PWM Brushless Motor Driver
https://www.electronics-lab.com/project/high-voltage-3-phase-full-wave-pwm-brushless-motor-driver/
The project presented here is a three-phase sinewave PWM driver for high-voltage brushless motors. The board is built using TB67B000AHG chip, which is a high-voltage IC capable of handling 600V. The TB67B000AHG has a 2-in-1 (MCP) structure of controller (sine-wave PWM / wide-angle conduction) and a high-voltage driver. The rotation speed of a DC brushless […]
H-Bridge for High Power Brushed DC Motor with Current Sense
https://www.electronics-lab.com/project/h-bridge-for-high-power-brushed-dc-motor-with-current-sense/
This H-bridge board is an easy-to-use brushed DC motor driver that can handle large-size motors such as wheelchair motors, and winch motors. An H-bridge is an electronic circuit that switches the polarity of a voltage applied to a load. The circuit is built using 4 x N-Channel MOSFETs, gate driver IR2104, and a logic circuit. […]
Solenoid, Relay, Valve Driver with Current Regulation
https://www.electronics-lab.com/project/solenoid-relay-valve-driver-with-current-regulation/
The project presented here is a PWM current driver for solenoids, Relays, and valves. The board will regulate the current with a well-controlled waveform to activate and reduce power dissipation at the same time. The solenoid current is ramped up fast to ensure the opening of the valve or relay. After the initial ramping, the […]
16 Channel RC Servo Driver with I2C Interface
https://www.electronics-lab.com/project/16-channel-rc-servo-driver-with-i2c-interface/
This is a 16-channel servo driver that can drive 16 x RC servos over I2C interface. The project is built using PCA9685 chip, a 16-channel PWM generator that can drive 16-channel servos simultaneously. The board can be connected to Arduino or another microcontroller. Driving robots, and animatronics puppets is easy with this board. The board […]
Contactless Potentiometer – 12bit Rotary Position Sensor with Analog or PWM Output
https://www.electronics-lab.com/project/contactless-potentiometer-12bit-rotary-position-sensor-with-analog-or-pwm-output/
This is an easy-to-program magnetic rotary position sensor with high-resolution 12-bit analog or PWM output. This contactless system measures the absolute angle of a diametric magnetized on-axis magnet. The project is designed for contactless potentiometer applications and its robust design eliminates the influence of any homogenous external stray magnetic fields. The industry-standard I²C interface supports […]
Brushed DC Motor Speed Controller Using Radio Control (RC) Remote
https://www.electronics-lab.com/project/brushed-dc-motor-speed-controller-using-radio-control-rc-remote/
This is a Brushed DC motor controller designed to control one brushed DC motor up to 5A. It can control the speed of the DC motor using a Radio Control (RC) System. This Arduino compatible hardware converts RC PWM signal into 0 to 100% duty cycle PWM which further drives high current load using MOSFET. […]
Linear Current Source LED Driver with Dimmer Input
https://www.electronics-lab.com/project/linear-current-source-led-driver-with-dimmer-input/
The compact module shown here is a linear current source for LED driver and it’s ideal for automotive LED lighting applications. The project is built using a TLD1211 chip from Infineon. The board provides supply to LEDs under the severe condition of automotive applications resulting in constant brightness and extended LED lifetime. The project is […]
Sound to RC Servo Driver v2.0 – Arduino Compatible
https://www.electronics-lab.com/project/sound-to-rc-servo-driver-v2-0-arduino-compatible/
The project presented here is made for applications such as Animatronics, Puppeteer, sound-responsive toys, and robotics. The Arduino compatible board consists of LM358 OPAMP, ATMEGA328 microcontroller, microphone, and other components. The project moves the RC servo once receives any kind of sound. The rotation angle depends on the sound level, the higher the sound level […]
PWM to Voltage Converter – PWM to Voltage Output DAC
https://www.electronics-lab.com/project/pwm-to-voltage-converter-pwm-to-voltage-output-dac/
The project presented here is a dual 12-bit PWM-to-voltage output DAC with high accuracy. The board is based on the LTC2644 chip. The LTC2644 measures the period and pulse width of the PWM input signals and updates the voltage output DACs after each corresponding PWM input rising edge. The DAC outputs update and settle to […]
21-Watt Universal AC LED Driver with Accurate Average-Mode Constant Current Control
https://www.electronics-lab.com/project/21-watt-universal-ac-led-driver-with-accurate-average-mode-constant-current-control/
The project presented here is an average current mode control LED driver operating in a constant off-time mode. The project consists of a bridge rectifier followed by a buck converter operating with a fixed off-time of 20µs. The circuit provides accuracy, and line and load regulation of the LED current. The output LED current accuracy […]