I am trying to read apm2.5 sensors for writing my own firmware for drone. I have successfully read MPU6000 but could not read barometer MS5611 and magnetometer HMC5843. Can someone help me.
MS5611 can be I2C or SPI.
HMC5843 connects to I2C-interface @ 0x1E
Check that total pullup is within 2k2..10k