Cosa TWI(I2C) Arduino test setup

• electronics
• breadboard
• pull-up resistors
• I2C
• Arduino Uno
• Arduino

Taken by Odd Stråbø, 2015-01-26 04:36:39 using Canon EOS 550D

Arduino Uno. Grounds connected. A4 and A5 connected. 4.6kOhm pull-up on A4 and A5 lines. Code loaded is the CosaTWIslave and CosaTWImaster