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How to program your garage door keypad clicker opener! - Chamberlain Klik2U

Most guides for how to program your garage door keypad are super confusing! I tried to make a coherent one. If you thought ...

Nuki Keypad 2 NFC: The ‘Tap-To-Unlock Feature’ You’ve Been Waiting For

Thanks to the Nuki Keypad 2 you can now use your phone to unlock your door with a tap. We speak to the Nuki co-founder, ...
Hackaday

Reverse-Engineering The Holy Stone H120D Drone

There are plenty of drones (and other gadgets) you can buy online that use proprietary control protocols. Of course, ...
Hackaday

Arduino Code? On My 8051? It’s More Likely Than You Think

The 8051 was an 8-bit Harvard-architecture microcontroller first put out by Intel in 1980.  They’ve since discontinued that ...
GitHub

Password-protected embedded lock system using Arduino, keypad, LCD, servo motor and buzzer.

This project implements a password-protected electronic door lock system using an Arduino microcontroller. A 4×4 matrix keypad is used to enter the password, while a 16×2 I2C LCD provides system ...
GitHub

BLKLab_Code_Lam_May_Tinh_Cam_Tay_Bang_Arduino.ino

-D5: nối với chân hàng 1 của keypad -A3: nối với chân cột 1 của keypad -D4: nối với chân hàng 2 của keypad -A2: nối với chân cột 2 của keypad -D3: nối với chân hàng 3 của keypad -A1: nối với chân cột ...