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51 mini development board

Overview

51 mini development board: based on STC89C52.

STC89C52 is the most basic and simple STC 51 MCU, which comes from my early practical project of learning STC 51 microcontroller.

The board has a DS18B20 temperature sensor, 4-digit digital tube, buzzer and ADC0832, and leads to the serial port and some IO ports. The USB interface has both power supply and serial communication functions (CH340 solution).

The project was optimized for Jialichuang SMT patch during device selection. Most of them are standard library devices, and SMT costs are low.

The attachment provides a simple sample program binary file (temperature measurement + digital tube display + buzzer/serial port test), which is used to evaluate whether the welding is correct after proofing.

Design Files

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Update:2025-05-15 03:22:12

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