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.
39 freelancers are bidding on average $1125 for this job
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