ambient light sensor

Overview of 6 Types of Sensors: Temperature, Humidity, Light, Magnetic, Pressure, and Acceleration Sensors

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Overview of 6 Types of Sensors: Temperature, Humidity, Light, Magnetic, Pressure, and Acceleration Sensors

Point“Jinan CNC Mold Technology Research Institute” follows Industry frontiers, mechanical videos, CNC machining technology, 3D printing, industrial robots, productionprocesses, molds, machine tools, and other cutting-edge information are waiting for you here! 1. Temperature Sensor: The working principle of temperature sensors based onthermally sensitive elementsprimarily obtains temperature information by measuring the temperature changes of objects or … Read more

Modbus TCP Programming and Experimentation

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Modbus TCP Programming and Experimentation

11.7 Modbus TCP Programming and Experimentation This course does not support sensors that use the Modbus TCP protocol, so we will write two programs: ① modbus_server_tcp.c: Simulate a Modbus TCP sensor ② modbus_client_tcp.c: Operate the sensor The program structure is shown in the figure below: No special connections are required on the hardware. The source … Read more

Introduction to RT-Thread Sensor Device Driver Framework

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Introduction to RT-Thread Sensor Device Driver Framework

Background and Overview Sensor is an important part of the Internet of Things (IoT), “Sensors to IoT” is equivalent to “eyes to humans.” Without eyes, humans cannot see this vast world, and without sensors, IoT cannot perceive the ever-changing world. Currently, there are many sensors developed for IoT, including Accelerometers, Magnetometers, Gyroscopes, Ambient Light Sensors, … Read more

Low-Temperature Hydrogen Sensor Enhanced Performance

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Low-Temperature Hydrogen Sensor Enhanced Performance

Hello everyone, today I would like to share a paper published in 2020 in ACS Sensors, titled “Low-Temperature Hydrogen Sensor: Enhanced Performance Enabled through Photoactive Pd-Decorated TiO2 Colloidal Crystals”. This research indicates that using a sensitive layer based on Pd modified TiO2 long-range ordered crystals in a photo-assisted amperometric gas sensor can achieve excellent H2 … Read more

Essential Skills for MCU Engineers: Optimizing ADC Sampling Accuracy

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Essential Skills for MCU Engineers: Optimizing ADC Sampling Accuracy

Click the blue text to follow Optimizing ADC sampling accuracy is a key skill in microcontroller development, especially when processing sensor data. An inaccurate ADC sampling result can lead to system failures, such as significant errors in temperature sensors, causing devices to overheat or become too cold. Today, let’s discuss how to improve the accuracy … Read more

Upgrading Protection for Precision Rolling Mill Sensor Connections

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Upgrading Protection for Precision Rolling Mill Sensor Connections

Gluco Sensor Proposed By Segment Leader of the Boutique Rod Division, Yu Zengchun Project Proposal Upgrading Protection for Precision Rolling Mill Sensor Connections Implementation Process Due to the high precision requirements of the flat-rolling mill and the numerous control sensors, the rolling mill must be disassembled during each offline roll change, and the sensor lines … Read more

Understanding Misconceptions About Sensor Sizes

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Understanding Misconceptions About Sensor Sizes

[For camera information, check Camera Notes] In yesterday’s article, we didn’t mention “sensor size”, and I didn’t expect that there would be so many misconceptions… How Big is 1 Inch Actually? Due to some historical issues*, whether in cameras or smartphones, the “1 inch” in the diagonal length of the sensor is not 25.4mm. * … Read more

A Brief History of Sensor Development

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A Brief History of Sensor Development

Editor’s Note: Since the birth of sensors, they have been embedded and applied in various products and technologies, becoming an indispensable component of terminal devices. Over time, with the development of the Internet era, although sensors have begun to integrate with the Internet of Things (IoT), forming intelligent collaborative parts, the public suddenly discovered that … Read more

Design of 51 Microcontroller Street Light Controller (Part 2)

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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

How to Build a Particulate Matter Sensor with Raspberry Pi

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How to Build a Particulate Matter Sensor with Raspberry Pi

Monitor air quality using a Raspberry Pi, a cheap sensor, and an inexpensive screen. — Stephan Tetzel About a year ago, I wrote an article on how to measure air quality using a Raspberry Pi and a cheap sensor. We have been using this project at school and privately for the past few years. However, … Read more