Mobile Hacks

Free Radio On My Phone

Free Radio On My Phone

If you have owned Android phones, there’s a reasonable chance that as the kind of person who reads Hackaday you will at some time have rooted one of them, and even applied a new community ROM to it. When you booted the phone into its new environment it’s not impossible […]

DIY Thermal Imaging Smartphone

DIY Thermal Imaging Smartphone

We wish we had [Karri Palovuori] for a professor! As an exciting project to get incoming freshmen stoked on electrical engineering, he designed a DIY thermal-imaging smartphone that they can build themselves. It’s all built to fit into a sleek wooden case that gives the project its name: KAPULA is […]

$3 Smartphone From India

$3 Smartphone From India

The release of the Ringing Bells Freedom 251 means exciting things for India, and if it goes well possibly the hacker community, too. This $3 device comes with all the things you’d expect from your standard smartphone. Considering any of the individual components alone (4? IPS screen, cell modem, 1450 […]

Snooping on SIM Cards

Snooping on SIM Cards

[Nils Pipenbrinck] has been working on a very interesting problem. The SIM card in your cellphone talks to the contactless near-field communication (NFC) chip through a cool protocol that we’d never hear of until reading his blog: single wire protocol (SWP). The SIM card in your cellphone has only a […]

Building One Thing In China

Building One Thing In China

Conventional wisdom dictates that if you need to make a million of something, you go to China. China is all about manufacturing, and there aren’t many other places on the planet that have the industry and government-subsidized shipping that will bring your product from China to people around the world. […]