Updated Product Design This is a new product design, and it's completely compatible with the ph board driver in reef-pi. The new design was motivated by the shortage in ADM3260 chips. The move to...Read More…
This is a new product design, and it's completely compatible with the ph board driver in reef-pi. The new design was motivated by the shortage in ADM3260 chips. The move to a microcontroller also offers the benefit of improved noise rejection.
This design is an isolated pH probe interface over I2C. Although it is designed for reef-pi, this board can be used with anything that can communicate over I2C (including Arduino).
Unlike other pH probe boards, this product integrates voltage and signal isolation to ensure reliable, consistent pH readings.
The address is configurable based on the 2 jumper caps.
The address 0x45 with both jumper caps attached.
write 0x45,0x06 //SW reset
write 0x45,0x40,0x06; //set config register for continuous conversion, 90SPS
write 0x45,0x08; // start conversion
-loop to read value periodically: write 0x45,0x10 then read two bytes
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Janos | July 29, 2019
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