Raspberry pi power meter development to collect data from 250 locations, 3 measure points each, via RS485 from kWh energy meters with RS485 interface then transfered to a remote server via mobile internet connection using Raspberry pi3+rs385 HAT+NB IOT HAT. 1 data per day/measure point.
Bu iş için 39 freelancer ortalamada $1125 teklif veriyor
I delivered many raspberry based monitoring and controlling devices. How far is the distance to the check points? Would you please share the full details.
Hello I'm an electronics engineer with 10+ years of experience including Raspberry (Python, Java, C#), RS485 and ModBus communication. Please contact me to discuss the details. Best regards, Dennis