Specifications and application:
Equipped with a real-time clock (RTC) to set time and date
Equipped with a closed-loop non-isolated controlled buck converter to converter 12V DC input to 5V DC to supply the microprocessor and other integrated circuits on PCB
Display the voltage and current with mV and mA accuracy
Use I2C to reduce the number of required pins to run the LCD
Use of UART to prepare the collected data for an industrial network