I'm trying to make a simple UV data logger for a uni project. I am having trouble successfully finding/connecting to a few sparkfun VEML6075 UV sensor breakout's that I'm wanting to read values from.
I have the VEML6075s connected to SD/SC ports on the Adafuit TCA9548A multiplexer using a UNO R3. When plugged in all UV sensors are lighting up and appear to be connected properly. However, none of my sensors are recognised. I am not sure if the issue is with my programming or something else. I have 4 temperature sensors connected as well which I haven't tested if they work yet either. My end goal is to program them all to take measurements at fixed intervals during the day, going to sleep between readings.
Using the I2C bus can be a little confusing, especially when you need to use repeated starts. You can only have one channel on the MUX active at a time, that is, only ONE bit in the control register can be set. So to t Plus
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Hi there, if none of your sensors are recognized, then there is really something wrong with your sketch that you did not post or something wrong with your wiring can you kindly send me a message of your arduino code Plus
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