3.3V Automotive Step-Down Regulator – Low-Iq, Dual-Mode

3.3V 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...

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Bluetooth Smart LED Dimmer – 4 Channel Bluetooth ON/OFF Switch

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...

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1.087
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RC PWM Signal to Stepper Pulse Generator

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...

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High Voltage 3-Phase Full-Wave PWM Brushless Motor Driver

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...

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1.140
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H-Bridge for High Power Brushed DC Motor with Current Sense

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...

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1.382
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Solenoid, Relay, Valve Driver with Current Regulation

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...

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1.220
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16 Channel RC Servo Driver with I2C Interface

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,...

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1.238
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Contactless Potentiometer – 12bit Rotary Position Sensor with Analog or PWM Output

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...

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1.340
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