Introduction to 30 Common Sensor Modules and Their Working Principles

Introduction to 30 Common Sensor Modules and Their Working Principles

This is the last issue!!! Let’s give ourselves a round of applause! This issue continues to discuss analog sensors, acoustic sensors, and information transmission modules. Let’s get started!!! Analog Sensors: 23. AD/DA Conversion PCF8591 Sensor Module As we all know, analog and digital signals are two opposing quantities and cannot be used interchangeably. The function … Read more

Design of 51 Microcontroller Street Light Controller (Part 2)

Design of 51 Microcontroller Street Light Controller (Part 2)

​ 1. Main Functions (1) Automatically collect light and sound data; (2) Automatically control the street light switch based on sound decibel values and light intensity; (3) The street light turns on and automatically turns off 3 seconds after a person leaves. 2. Usage Method After the system is running, the LCD1602 displays the collected … Read more