This project implements a digital V-I-P (Voltage-Current-Power) meter using an ATmega328P microcontroller and a MAX7219 7-segment display driver.
Key features include:
- Measurement of DC voltage (±25V) and current (±2.5A)
- Real-time power calculation (Watts = Volts × Amps)
- 100ms sampling and display update interval
- Pushbutton UI to switch between Volts, Amps, and Watts for both upper and lower displays
- Designed for the EE-201 Arduometer custom PCB and programmed via Arduino IDE
This project uses a 5-stage SPI-controlled LED display for output and a timer interrupt for regular measurement and display updates.