9xWti7B

Digital thermometer based on DS18B20

Overview

Introduction

Working voltage: 5V Working current: Main control chip: STC15W204S-SOP8; IRC frequency 20MHz Temperature sensor: DS18B20; can use TO-92 package or stainless steel waterproof package with XH2.54 connector Temperature measurement range: -55 ~ +125℃ (The error does not exceed 0.5℃ in the temperature environment of -10 ~ +85℃); 12-bit resolution, accuracy 0.0625 Temperature display: 0.36-inch 4-digit common cathode digital tube, driven by TM1650; with one decimal place; when the temperature is low At 0℃, the highest digital tube displays a negative sign

Video introduction

MCU firmware download

The hex file is provided in the project attachment and can be downloaded directly to the microcontroller. The settings of STC-ISP when downloading are as follows:

QQ screenshot 111.png

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Design Files

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Update:2025-06-20 01:55:01

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