Fuel Gauge with ModelGauge and Low-Battery Alert

[hhl-16]

hi, guys
i use max17043 with schematic this

when i use sketch i2c_scanner with arduino -> result is 0x32 (SDA <-> A4, SCL <-> A5)
but when i use stm32 blue pill -> no i2c devices found (SDA <-> PB7, SCL <-> PB6)
thanks

[fpistm]

Hi, you have to add Pull up resistor on each I2C lines.