3 channel PWM and pulse signal generator for 3.3 to 30 V

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This 3 channel PWM and pulse signal generator is a compact module for generating adjustable square waves and pulse signals. The module has three separate output channels and can be used for experiments, development, testing and control of electronic circuits.

The supply voltage is 3.3 to 30 V DC and the frequency can be adjusted from 1 Hz up to 150 kHz. The frequency can be used for all three channels while the duty cycle can be adjusted separately for each channel. This makes it possible to generate different PWM signals on channel 1, 2 and 3 at the same time.

The PWM signal amplitude follows the supply voltage. The output can provide approximately 5 to 30 mA and is therefore primarily intended as a control signal for driver circuits, transistors, MOSFET driver stages, motor controllers and other electronic inputs.

The module can also be controlled through UART. This makes it possible to change the frequency and duty cycle from an Arduino or another microcontroller. UART normally uses 9600 baud, 8 data bits, no parity and 1 stop bit.

Typical applications include square wave generation for experiments and development, control of motor drives, generation of adjustable pulses for MCU projects and PWM control for dimming and speed regulation.

The module is suitable when an adjustable pulse signal is required without using a separate microcontroller to generate the signal in real time.

Facts.
Supply voltage: 3.3 to 30 V DC
Number of channels: 3
Frequency range: 1 Hz to 150 kHz
Frequency accuracy: Approximately 2 percent within each frequency range
Output current: Approximately 5 to 30 mA
Output amplitude: PWM amplitude follows the supply voltage
PWM: Adjustable duty cycle
Signal type: PWM and square wave
UART: Yes
UART communication: 9600 baud, 8N1
Operating temperature: -20 to +70 degrees Celsius
Dimensions: 54.6 x 37 mm
Application: Square wave generator
Application: Motor control
Application: MCU pulse signals
Application: PWM dimming
Application: Speed regulation
Application: Testing and experiments

Included.
1 pc module.

About the product.
Weight: approx 20 gram.
Contact us if you have questions at info@pchbutik.se
Article no: 3875
Remaining stock quantity can be found under the Product details tab.
In our range since: 2026-10-12

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