Jee Labs Plug Shield
Photo: Jee Labs
Shield URL: Plug Shield
Maker: Jee Labs
The Plug Shield allows using I2C-based JeePlugs with any Arduino or compatible clone. It acts as interface between the hardware I2C port and the plugs. There is a level converter on board, as well as a 3.3V regulator to supply power to the plugs. The reset button and ISP signals are duplicated on the shield.
Open Source: Yes, OSHW-compliant
License: CC BY 3.0
Pins A4 and A5 remain usable for I2C at 5V.