Product Description:
A versatile, panel-mountable PWM signal generator module designed for applications requiring precise control over pulse frequency and duty cycle. Operating within a voltage range of 3.3V to 30V DC, it delivers a square wave output with frequencies ranging from 1Hz to 150kHz and a duty cycle adjustable from 0% to 100%. The module features a clear LCD display and user-friendly interface, making it ideal for various electronics projects, motor control, and signal testing.
Key Features:
- Output Frequency Range: 1Hz to 150kHz
- Duty Cycle Range: 0% to 100%
- Operating Voltage: 3.3V to 30V DC
- Output Amplitude: Equal to input voltage
- Output Current: 5mA to 30mA
- Display: LCD screen showing frequency and duty cycle
- Control Interface: Four push-buttons for frequency and duty cycle adjustments
- Serial Communication: TTL interface supporting UART commands
- Memory Function: Retains settings after power-off
- Operating Temperature: -20°C to +70°C
- Dimensions: 79mm × 43mm × 37mm
- Panel Cutout Size: 76mm × 40mm
Control Modes:
- Normal Mode: Frequency adjustable from 1Hz to 150kHz with 1% duty cycle steps
- Precise Mode: Frequency adjustable from 1Hz to 15kHz with 0.1% duty cycle steps
Applications:
- Motor speed control
- LED dimming
- Signal generation for microcontroller testing
- Servo control
- Laboratory experiments
Usage Notes:
- The module's output is a square wave PWM signal with amplitude equal to the input voltage.
- Ensure the connected load does not exceed the maximum output current of 30mA.
- For higher current applications, use the PWM signal to drive an external transistor or MOSFET.
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