MH-Z19B NDIR infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen ...

External storage, such as an SD card, HDD, or SSD, tends to slow down over time or becomes inaccessible when used elsewhere. A simple solution is to format the SD card, which will help to speed up as ...

ESP32 microcontrollers, known for their versatility in IoT and smart home projects, also support digital audio via their I2S interface. In the first part of this series, we explore an audio-focused ...

ESP32有两种使用SD卡的方法，一种是使用SPI接口访问SD卡，另一种是使用SDMMC接口访问SD卡 。Arduino core for the ESP32中SPI方式占用4 ...

[导读]数据是任何分析和预测的关键资源。它总是需要创建任何信息或统计。有很多在线和离线平台可用于记录数据，我们已经使用了许多基于物联网的平台和web服务器来存储和可视化数据。这里我们使用最流行的离线方式来存储数据，这是- SD卡。 数据是任何 ...

If an Arduino port is not showing up, your USB connection might be faulty or the ports may be disabled entirely. We will show you how to enable a port in Arduino and look it up in the Device Manager.

We have designed an Arduino-based GPS Tracker using the NEO-6M GPS Module. A GPS (global positioning system) tracker utilises satellite signals to accurately determine the location of an object or ...

The Joystick module is similar to analog joysticks found in gamepads. It is made by mounting two potentiometers at a 90 degrees angle. The potentiometers are connected to a short stick centered by ...

Whether you're making the first steps in a new and exciting learning journey or you're on the verge of making a discovery that will revolutionize circuit design, having a test environment is paramount ...