Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...

You need 2 sets of nrf24l01 and arduino(uno). Connect your nrf24l01 and arduino(uno) as in the table above. One of arduino runs send/send_simplified. The other one runs recv. The NRF24 library file is ...

Ever wondered if a small, low-cost board like the ESP32-CAM can actually recognise objects or even identify Indian currency notes? In this project, the answer is a clear yes. We combine the ESP32-CAM ...

This is a library of KiCad schematic symbols and PCB footprints for most Arduino modules. You can use them to make your own PCB design which will effortlessly connect with your chosen Arduino module.

Abstract: By integrating a nearly infinite number of reconfigurable elements into a finite space, a spatially continuous array aperture is formed for holographic multiple-input multiple-output (HMIMO) ...

Abstract: This paper presents designing and implementing an Automatic room temperature control system using the Arduino and DHT11 sensor. The fan speed control system has also been proposed. Here, the ...