Gas Sensor (MQ-135) The working principle of the MQ135 gas sensor is based on the adsorption of target gases by semiconductor gas-sensitive materials, which changes the resistance value. The sensor contains a sensitive element and a heater, with the sensitive element typically made of metal oxide semiconductor materials, such as tin dioxide (SnO2). When there … Read more
Developing Smart Housekeeping Robots Using Python and AI Hello everyone, I am Cai Ge. Today, I want to take you into a very interesting project—Smart Housekeeping Robots. Imagine a robot that can help you clean the room, organize items, and even chat with you; how cool is that! Next, I will use simple and easy-to-understand … Read more
Click the blue text above to follow us Video Teaching Lesson 9: Ultrasonic Distance Measurement 1. Course Introduction This lesson uses the ultrasonic distance sensor as an example to explain the principle of ultrasonic distance measurement and the use of OLED display based on the IIC communication protocol. Hardware required for this lesson: Arduino UNO, … Read more
▲ For more exciting content, please click on the blue text above and follow us! A deck of idle playing cards and a 3D printed stand can create a creative playing card clock. I used playing cards as the clock’s flaps and made an interesting and crazy clock with minimal parts. The most challenging part … Read more
Overall Introduction I have been using the SSD1306 OLED monochrome display, and this time I will share the usage of the TFT color screen. This article introduces the use of the TFT color screen with ESP32C3 on the Arduino platform. First, let’s take a look at the display effect: You can also watch the video … Read more
The soil moisture sensor, also known as the soil humidity sensor, consists of stainless steel probes and waterproof tips, allowing it to be buried in soil and embankments for long-term use. It can perform point monitoring and online measurement of both surface and deep soil moisture conditions. When used in conjunction with a data collector, … Read more
In the dazzling galaxy of electronic creativity and automation control, Arduino is undoubtedly the brightest morning star, leading countless enthusiasts on a wonderful journey of exploring intelligent control. Today, we will focus on a crucial “behind-the-scenes hero” in the Arduino ecosystem – the Stepper library. It may not often be in the spotlight, but like … Read more
Arduino is an IoT device that provides a hardware programming platform Basic Knowledge Basic knowledge of physics and electricity from middle school Basic computer operation skills IDE Installation https://www.arduino.cc/ Download from the official website, a VPN is required. http://www.taichi-maker.com/ This website is accessible within China. Double-click the installer to install, make sure to install the … Read more
If you don’t want to miss my updates, remember to click the top right corner – view public account – set as a star, and send me a star. What can you do with an LED strip? Today’s project will show you: ☞ Game 1: Reaction Time Challenge At the start of the game, all … Read more
【Click the above「blue text」 to follow DF Maker Community and become a tech aesthetician together】 What! You also like planting vegetables? I’m not talking about these: Who doesn’t have hundreds of acres in the game? Roll up your sleeves and get to work, but it’s never enough, it can never be enough. However, in real … Read more