22 Hz–20 kHz PWM to 0–5 V / 0–10 V Voltage Frequency Converter Module

Voltage–Frequency Converter Module (22 Hz – 20 kHz)

This compact board converts PWM or frequency input signals into a proportional analog voltage output (0 – 5 V or 0 – 10 V). Ideal for microcontroller, PLC, and industrial automation interfaces where frequency-to-voltage translation is required.

⚙️ Features

• Converts 22 Hz – 20 kHz input to 0 – 5 V or 0 – 10 V analog output
• Accepts 3.3 V – 24 V logic-level PWM signals
• Supply voltage: 3.3 V – 12 V DC
• Output error: ± 1.2 % (22 Hz – 20 kHz)
• Compact 33 × 33 mm PCB with M3 mounting holes
• High stability and fast response for signal conversion applications

🔌 Pin Definition

• VIN: Power input (3.3 V – 12 V)
• GND: Power ground
• PWM IN: PWM or frequency signal input
• OUT: Analog voltage output (0 – 5 V / 0 – 10 V)

📦 Specifications

• Input signal level: 3.3 V – 24 V logic
• Input frequency: 22 Hz – 20 kHz
• Output level: 0 – 5 V / 0 – 10 V
• Working current: 9.5 – 21.5 mA (no load)
• Isolation: No
• Mounting: M3 screws

🧰 Applications

• MCU / Arduino PWM to analog conversion
• PLC and sensor signal interfacing
• Motor speed and dimmer control
• Frequency measurement feedback loops