Like-o-meter

Small gadget for show number of likes on FB page in (almost) real time

HW

Components:

• Rasberry Pi, ideally B+ version – it looks more cool
• USB Wi-Fi dongle
• 7-segment display with driver - the bigger the better, we use 7-Segment Serial Display - Blue
• some wires and power supply

Connection

 +-----------------------------------------------+
 |                                               |                  +---------------------+
 |      .~~.   .~~.                              | Tx (blue) ->  Rx |                     |
 |     '. \ ' ' / .'                             o------------------o                     |
 |      .~ .~~~..~.                              |                  |                     |
 |     : .~.'~'.~. :                             |                  |                     |
 |    ~ (   ) (   ) ~                            | +5V (red)        |       7-segment     |
 |   ( : '~'.~.'~' : )                           o------------------o                     |
 |    ~ .~ (   ) ~. ~                            |                  |       display       |
 |     (  : '~' :  ) Raspberry Pi                | GND (green)      |                     |
 |      '~ .~~~. ~'                              o------------------o                     |
 |          '~'                                  |                  |                     |
 |                                               |                  +---------------------+
 +-----------------------------------------------+  

SW

Application is writen in node.js.