XY-PWM Signal Generator Module

Adjustable Pulse Frequency & Duty Cycle (1Hz–150kHz)

The XY-PWM signal generator module is a versatile and user-friendly tool for generating precise square wave or rectangular wave signals. With its wide frequency range, intuitive LCD display, and TTL serial communication support, it is ideal for developers, testers, and electronics hobbyists.

Key Features:

• Wide Frequency Range: Adjustable from 1Hz to 150kHz with 4 frequency ranges for high precision.
• Clear LCD Display: Shows current frequency and duty cycle in real time.
• Adjustable Duty Cycle: From 0% to 100% with saved settings on power-off.
• Serial Communication: Supports TTL-level UART commands for frequency and duty cycle control.
• Simple Controls: 4-button interface supports short and long presses for fast parameter adjustment.

Frequency Display Format:

• XXX: 1Hz to 999Hz (e.g., 100 = 100Hz)
• X.XX: 1.00kHz to 9.99kHz (e.g., 1.01 = 1.01kHz)
• XX.X: 10.0kHz to 99.9kHz (e.g., 54.1 = 54.1kHz)
• X.X.X: 100kHz to 150kHz (e.g., 1.2.4 = 124kHz)

Specifications:

• Input Voltage: 3.3V – 30V DC
• Frequency Range: 1Hz – 150kHz
• Duty Cycle: 0% – 100%
• Frequency Accuracy: ±2%
• Output Current: ~5mA – 30mA
• Output Amplitude: Equal to input supply voltage
• Operating Temperature: -20°C to +70°C

Applications:

• Generate square wave signals for development and testing
• Motor driver control signals
• MCU pulse input simulation
• PWM-based dimming or speed control applications
• TTL-level serial control via microcontrollers

Serial Communication Protocol:

Baud Rate: 9600bps | Data Bits: 8 | Stop Bit: 1 | Parity: None | Flow Control: None

Examples:

• ;F101; – Set frequency to 101Hz
• ;F1.05; – Set frequency to 1.05kHz
• ;F10.5; – Set frequency to 10.5kHz
• ;F1.0.5; – Set frequency to 105kHz
• ;D050; – Set duty cycle to 50%
• ;read; – Read current settings

Response: DOWN; (success), FALL; (failure)

Package Includes:

• 1 x XY-PWM Signal Generator Module