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Recommendations for suitable solar panels

charlesli

Member
Is there a solar panel suitable for 12v powered HMI?
This is HMI's schematic.
lcd%20shield%20arduino.png
 

Pommie

Well-Known Member
Most Helpful Member
What ever solar panel you use you will need to supply the display with a regulated supply. This would normally involve a battery and power module.

Mike.
Edit, what communication protocol does that display use without a clock line?
 

rjenkinsgb

Well-Known Member
Most Helpful Member
Those Stone units are a "Smart HMI" system, they are programmed separately then all the interaction with the end system is via RS232 serial.
 

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