Prototype of PPM<>RS485 converter finished

Just first photos of my new invention, PPM<>RS485 bidirectional converter. Both units are same, direction is set by jumper. My goal is obvious, permanent installation of OpenLRS TX module on the roof and UTP cabling. Theoretical distance of transmission if over 1km. First test on 3m UTP works even power is coming through. More info later.


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