Posted in 3d Printer hacks, Arduino Hacks Tagged arduino pro mini, external keyboard, folding keyboard, Palm portable keyboard, USB HID Keyboard. Active “Dart-Sensing” Makes Your Nerf Gun Smarter.

DESCRIPTION : This project demonstrates how to interface a 4x4 matrix keypad with an LCD (16x2) display using an Arduino board. The system captures key presses from the user via the keypad and ...

The design philosophy behind the Optimus Mini 3 Keypad is to create a versatile and user-friendly device that can serve multiple purposes. According to the Art Lebedev blog, the team is focusing ...

PIN Code Access: Secure the system with a 6-digit PIN. LCD Display: 16x2 LCD for user interaction and status updates (e.g., "Enter Pin", "Alarm Active", "Motion Detected"). Keypad Input: A 4x4 matrix ...

The Watch-Keyboard-C3 kit includes a mini keyboard, and a 160 MHz ESP32-C3 single-core RISC-V microcontroller and support for WiFi 4 and Bluetooth 5.0.

Inside is an Arduino Pro Mini and a DF Player Mini that plays corresponding clips from a micro SD card whenever [Scott] presses a button on the 16-key copper foil capacitive keypad.