OpenSprinkler Forums Hardware Questions OpenSprinkler Pi (OSPi) OpenSprinkler PI stopped working… Reply To: OpenSprinkler PI stopped working…

#65599

Ray
Keymaster

From the symptom it’s not obvious to me what’s the cause. This has nothing to do with I2C because OSPi does not use I2C for controller valves. It uses a shift register (74HC595). Some basic things you can check is the VIN-GND voltage (these pins are available at the top-right corner of the PCB). It should be about 5V when it’s powered.

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