$44.97 (as of 07/01/2018 12:36 PST details )
Features:
- Compatible with Arduino, 51 series, MSP430 series, STIM32 2, SCR chips
- IIC address can be changed, convenient to use with different machines
- Four square holes are easy to install
- Low power consumption 0.04W during normal operation
- Backlight OLED self light, no backlight