Hello im doing and experiment trying to Expand my raspberry to use 7 I2C devices (MCP23017 E/SP) its my first time using more than 1 MCP
Im using SparkFun Solderable Breadboard to conect Pi 5v / GD to a rail
and SCL and SDA to the other rail
Adress 0x20 is my Adafruit LCD Backpack (I2C)
In my First Breadboard
Adress 0x21 to 0x24 are MCP23017 E/SP
In my Second Breadboard Daisy Chained to the first one
Adress 0x25 to 0x26 are MCP23017 E/SP
When im using just one Bread Board my Adresses are Correct
0x20 for the LCD
0x21 to 0x24 for the MCP's
But when i connect the second One
Every second each Bus goes Off and my LCD 0x20 isnt showing.
What is causing this? did my i2c bus blew up?
When i disconnect the second breadboard everything goes normal withouth intermittence. it just happens when i connect the second one with the adresses 0x25 and 0x26