XY-PWM Signal Generator LCD Module 3.3–30V Frequency & Duty Adjustable
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Description
⚡ XY-PWM Signal Generator LCD Module – PWM Frequency & Duty Cycle Adjustable (3.3–30V) | AuscomTech
The XY-PWM Signal Generator is a compact, high-precision PWM controller designed for electronics testing, motor speed control, LED dimming, embedded development, and signal simulation.
With a clear LCD display, wide frequency range, fine duty-cycle resolution, and UART control support, this module delivers reliable, professional-grade PWM output in a portable form factor.
Ideal for engineers, hobbyists, students, technicians, and embedded developers who need accurate and repeatable PWM signals.
⭐ Key Features
📡 Wide Frequency Range (1Hz–150kHz)
Supports low-, mid-, and high-frequency PWM applications with ±2% accuracy.
🎛️ Full Duty Cycle Control (0.00%–100%)
Fine adjustment for speed control, LED dimming, signal shaping, and MCU input simulation.
🖥️ High-Contrast LCD Display
Displays frequency, duty cycle, and operating mode in real time for easy bench use.
💾 Automatic Parameter Memory
Last-used settings are saved automatically and restored after power cycling.
🔗 UART Communication Support
TTL-level UART (9600 baud, 8N1) allows external control from microcontrollers or automation systems.
🔌 Wide Input Voltage Support
Operates from DC 3.3V to 30V, making it compatible with Arduino, ESP32, ESP8266, and motor driver systems.
🛡️ Durable & User-Friendly Design
Robust enclosure, tactile buttons, and a clean interface suitable for daily lab or field use.
📊 Technical Specifications
| Specification | Details |
|---|---|
| Model | XY-PWM |
| Input Voltage | DC 3.3V – 30V |
| Frequency Range | 1Hz – 150kHz |
| Frequency Accuracy | ±2% |
| Duty Cycle Range | 0.00% – 100% |
| Duty Resolution | 0.01% |
| Output Voltage | Same as input voltage |
| Output Current | ~5–30mA |
| Display | High-contrast LCD |
| Communication | UART TTL (9600, 8N1) |
| Dimensions | 79 × 43 × 27 mm |
| Operating Temperature | −20 °C to +70 °C |
🧰 Basic Operation
1️⃣ Apply DC power (3.3–30V)
2️⃣ Use FREQ + / − buttons to adjust frequency
3️⃣ Use DUTY + / − buttons to set duty cycle
4️⃣ Connect PWM output to LED drivers, motor drivers, or MCU inputs
5️⃣ (Optional) Control parameters via UART
📐 Frequency Display Ranges
• XXX → 1–999 Hz
• X.XX → 1.00–9.99 kHz
• XX.X → 10.0–99.9 kHz
• X.X.X → 1–150 kHz
🧩 Typical Applications
• PWM signal testing
• LED dimming and driver verification
• DC motor speed control
• MCU and logic simulation
• Servo / ESC signal experimentation
• Electronics repair and bench testing
• Embedded systems development
📦 Package Includes
• 1 × XY-PWM Signal Generator Module (LCD display, DC 3.3–30V)
Additional information
| Weight | 50 g |
|---|---|
| Dimensions | 260 × 120 × 50 mm |
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