The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and ...

/*To use the built-in examples and demos of LVGL uncomment the includes below respectively. *You also need to copy `lvgl/examples` to `lvgl/src/examples`. Similarly for the demos `lvgl/demos` to `lvgl ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, ...

It seems like everybody takes their turn doing an ESP32-based weather display, and why not? They’re cheap, they’re easy, and you need to start somewhere. With the Cheap Yellow Display ...

This DIY 6-DOF robot arm project details a two-year build cycle using 3D printed parts, custom electronics, and over 5,000 ...

RyzoBee today announced that its Root Series is planned to launch on Kickstarter in Q2 2026 for the North American and European markets ...

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A primary student learns first aid skills under the guidance of a volunteer from a local Red Cross society in Handan, Hebei province, on Thursday. [Photo by Hao Qunying/for China Daily] With wider ...