In just a few years, every door lock, card reader, video camera, vehicle, power meter, and light switch will have an IP address — at least in the business world.
Favorite feature: an emotion meter/reader in the rear view mirror captures and measures a driver's relative level of fun and enjoyment—data that the car saves and makes easy to share on social media.
The core of data transmitter is MSP430F149 SCM, which can realizes the data communication between PC and electric meterreader by three communication methods.