How to drive eeprome at24c64 via I2c and device tree - Raspberry Pi Forums

who can teach me step step .thanks!

sudo raspi-config
select advanced options / enable i2c
sudo apt-get install python-smbus

sudo nano /etc/modules add

code: select all

i2c-dev

and save [ctrl]+[x]

sudo reboot active.

should able write this

code: select all

import smbus bus = smbus.smbus(1)    addr=0x50 byte=0x14 value=0x42 bus.write_byte_data(addr,byte,value)

and read with

code: select all

import smbus bus = smbus.smbus(1)    addr=0x50 byte=0x14 value = bus.read_byte_data(addr,register) print value

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