This open-source desktop robot combines on-device AI, expressive movement, voice interaction, and touch sensing around Arduino’s dual-brain ...

This Nixie-inspired ESP32 clock uses ST7789 LCDs to mimic the tubes affordably. ESP32-S3 controls each tube via small round ...

Test circuits instantly with the best free ESP32 simulators of 2026. Compare Wokwi, Circuit Designer, and Vexlio for IoT projects with built-in Wi-Fi support.

This Arduino NFC slot scans a DVD case sticker, pairs it with a hard-drive file, and plays the movie at a button press. Use genre-labelled cases to pick movies randomly; press again to skip to another ...