Digital display thermostat circuit diagram design uses 8-bit single-chip AT89C52 as the main control
This circuit selects the most commonly used 8-bit single-chip AT89C52 on the market as the main control chip, as shown in Figure 1. Through the P2.0, P2.1, P2.2, P2.3 port software simulation SPI port and the LCD modules main control chip LP....