Preface Surfing the eBay I just have seen an interresting Arduino extension board with an analog joystick, and some buttons. This model has ports for connecting other devices, like Nokia LCD screen and RF module. As I have both, and I just built a joystick myself, I decided to try this prototyping extension. The board… Read More »
I have a cheap SIM900 based module for Arduino. I would like to create a Nokia 5110 like phone from it. Main components I want to build a simple hardware and write a modular software for it, so the phone functions can be extended later on. I want to achieve the following functionality (what is… Read More »
I had a power switch (from Pi Supply), but I didn’t found it useful. In real cases it’s just not work to have the switch and the Pi apart. I also had a case, so I said, why not combining them. I realized, that by soldering the tact switches to the backside of the board… Read More »
Preface Recently I’ve received an order from China containing lots of cool stuff. One of this is a cheap radio frequency module. I was playing around with this a bit and I’m happy to share my experiments with you. Kickstart I had lots of trouble staring up the unit. Fortunately there is an Arduino… Read More »