This project implements a digital frequency meter using an Arduino Nano, custom PCB, and supporting components. It measures input frequencies and displays the segments using LED diodes.
- Measures frequencies from 1 Hz to 1 MHz
- LED segment display for visual output
- Arduino Nano for control and processing
- Custom PCB design for integrated components
- WiFi connectivity for potential remote monitoring
- Arduino Nano
- Power supply circuit (±5V)
- Input safety circuitry
- VFC320 for frequency-to-voltage conversion
- ICL7109 for voltage measurement
- MCP23017 I/O expanders for enhanced I/O capabilities
- LED segment display for visual output
The Arduino code provides the following functionality:
- Frequency measurement
- LED segment control
- Communication with MCP23017 I/O expanders
- Basic WiFi connectivity (configurable)
The PCB design integrates all necessary components, including:
- Power supply circuitry
- Signal conditioning
- Microcontroller interfacing
- Display drivers
This project is licensed under the MIT License - see the LICENSE.txt file for details.
- Project created by Srđan Popadić
- Developed at the University of Novi Sad, Faculty of Technical Sciences