We have tested this amazing Arduino WiFi robot from GearBest.com. The robot comes in parts and you have to assembly it. We have made a video for this procudere.
You can buy it from here!
The robot has also rottated camera!
Sorry but I don't have the code for the Arduino..
Windows software: Download File
by sketchsk3tch @instructables
This is a simple magnetic stripe emulator. Basically you can stick this into a magnetic card reader and emulate any stripe data you'd like.
by ossum @instructables
How often have you sent off a message in a bottle, only to realise, as it floats out of sight, that you regret the contents of your message? Well, with the Text Message in a Bottle (TM) that will no longer be a problem! You can update your message at any time, just by sending a text. Fantastic!