This repository explores the interfacing of 4x4 keypad with an Arduino, but without using any built-in headers. The goal is to completely learn the interfacing mechanism from scratch.

This ROS node handles communication between a ROS-based system and an Arduino connected via I2C. It processes input commands and relays information to the Arduino for display on connected devices.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The best smart locks provide a lot more than just convenience. With remote control and ...

Forget keys! The best smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for ...

There's an unfortunate lack of keyboards explicitly designed for Xbox consoles. Still, plenty of the best keyboards around make wonderful companions on Xbox Series X and Xbox Series S in place of ...

Put your key in a lock box that requires a code for access. Use a lock with a keypad that requires a PIN. Smart locks can also allow for remote unlock so you can allow someone into your home even ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you ...

Ever wished your Arduino could send you an SMS alert when something important happens—like an intruder detected by your DIY security system, or a gas leak in your kitchen? With just an Arduino UNO R4 ...

Using an Arduino Nano, ultrasonic sensor, and buzzer, it can sense objects in their way and provide an instant audible alert to them. So they can navigate independently. The best part of this blind ...