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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1.047
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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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1.064
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0 Comments
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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1.142
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Brushed DC Motor Speed Controller Using Radio Control (RC) Remote

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...

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1.256
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0 Comments
Linear Current Source LED Driver with Dimmer Input

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...

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1.159
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Sound to RC Servo Driver v2.0 – Arduino Compatible

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 board is Arduino compatible and consists of LM358 OPAMP, ATMEGA328 microcontroller, microphone, and a few other components. The project moves the RC servo once...

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1.285
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9 Comments
PWM to Voltage Converter – PWM to Voltage Output DAC

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...

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1.159
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0 Comments
21-Watt Universal AC LED Driver with Accurate Average-Mode Constant Current Control

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...

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1.150
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