After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

An optically corrected, decoupled electrically tunable focusing module enables simultaneous holographic stimulation and 3D imaging, making the system especially well-suited for advanced ...

If you are completely new to using RFID, you can check out this tutorial on interfacing RC522 RFID module with Arduino , where we explore the basics of RFID technology with Arduino and how it works ...

The servo rotates from 15° to 165° and back. At each degree, the ultrasonic sensor measures distance. Distance and angle are sent to the PC via Serial. Processing ...

Universal QR and barcode scanner SDK built with Kotlin Multiplatform and Compose. Supports Android, iOS, Desktop, and Web. Ideal for KMP, CMP, React Native, and Flutter integrations.