I2C comms with Linear LTC 2990 Quad I2C Voltage, Current and Temperature Monitor
This project describes how to access and obtain register data from a LTC2990 IC.
It is preconfigured to run on mode 0b1011111, it means: V1, V2, V3, V4; All Measurements per Mode, Single Acquisition and Temperature reported in Celsius.
Don't forget to read the datasheet!
Sample output:
root@raspberrypi:~# python i2c-ltc2990.py
Int. Temp. : 30 C
Voltage V1 : 3.29624918 V
Voltage V2 : 3.29624918 V
Voltage V3 : 3.29624918 V
Voltage V4 : 3.29624918 V
Vin : 3.2949939 V
RepRap Ltd created a forked version that provides continous readings