If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects,… ...

The fact that you can build a cellphone around an Arduino is pretty neat. But we’re drawn to this project more as a testament to the advancement of hobby electronics. An [Average Joe] can bui… ...

While you hopefully don't need one-button access to 911, a desk-mounted panic button is undoubtedly cool, and it makes for a great DIY Arduino project. You'll need a prepaid SIM card, an Arduino ...

My daughter likes buttons. She's learning letters. I was bored over winter break and had these parts laying around... so I built her a "Button Box" based around an Arduino. Open source, hackable ...

Makers and ordering your enthusiasts looking for a new project to keep them busy may be interested in this new Arduino rotary phone hack which uses an Arduino Pro Mini and a SIM900 GSM shield.

Cell phones are easy enough to come by these days, but if you've ever wanted to just build your own, Instructables user xiaobo__ shows how to do it with an Arduino. The little DIY phone isn't ...

Arduino’s $87 Plug and Make Kit comes ... a movement sensor, a time-of-flight distance sensor, a buzzer, a thermometer and humidity sensor, and a set of three buttons. ... and the Trump Phone. 0.

How do you turn an LED on and off with a button on Arduino? We set the pinButton variable as integer 8 and we connect the button at pin 8 on the Board. Then the LED is connected to pin 2 using the ...

David Mellis has created his very own cellphone using an Arduino GSM shield, as with any phone, ... it includes a display, buttons, speaker, and microphone, making it a fully operational mobile phone.

Even though games like Infinity Blade can be great fun on the iPhone, there's no getting around the fact that touchscreen-centric, buttonless devices don't offer the best gaming ergonomics. A ...