Introduction - If you have any usage issues, please Google them yourself
This is a single-chip design using MSP430-based digital voltage meter FYD12864LCD the C program. System is mainly to achieve voltage measurements. One of, ADC using the internal built-in MSP430149 Singlechip 12 AD converters. Maximum input signal for+2.5 V, you can also select other reference source, so that the input signal up to+3.3 V.