Hello everybody I am trying to operate a pressure sensor (abp2 from Honeywell) behind an I2C multiplexer (TCA9548). The pressure sensor connected directly on I2C interface work great. I also also try another model of sensor (SHT31 temperature sensor) behind the multiplexer and work fine too. But i…

Yes, but I just found the problem... With all my apologies it's a simple problem of pull up resistor .. i remove it before because SHT sensor work without it even on multiplexer channels BUT ABP2 sensor work without resistor on the arduino i2C line, but NOT on TCA channel ! Have a nice day, and t…

Issu with TCA9548A I2C multiplexer and ABP2 pressure sensor

Projects Programming

blh64 November 10, 2021, 12:50pm 6

please post a complete sketch. Your snippets do not include any variable declarations or values.

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Issu with TCA9548A I2C multiplexer and ABP2 pressure sensor

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