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 ...

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 ...

Need to know how to type letters on a keypad, so you can dial a phone number with letters in it? Here's how to dial letters on an iPhone. We see them all the time—phone numbers with letters in them.

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 ...

If your number pad isn’t working even with NumLock on, don’t worry. There are a few simple fixes you can try. Whether it’s a stuck key, settings issue, or outdated drivers, we’ll show you how to fix ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kimber Streams Kimber Streams is a writer who has been covering laptops ...

The AR488 GPIB controller is an Arduino-based controller for interfacing with IEEE488 GPIB devices via USB. This work was inspired by and has been based on the work originally released by Emanuele ...

One can overrule the default seed with fixed values to generate a known sequence as this is useful for testing. Tested on Arduino UNO + ESP32. Feedback as always is welcome. Breaking change in 0.2.0 ...

[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of ...