Hello
I am a new member on freelancer.com
But i had over 10 years of circuit design experience, C programming, realtime OS for ARM
I have completed many projects similar to yours with C Programming, C ++, FreeRTOS for water supply and drainage projects, remote inverter control over the internet, automatic water pressure.
PID control, pressure sensor, pH, humidity sensor...
Communication: Wifi, GPRS, RF module, RS485.
I look forward to do this project, and completing it fast and good.
Thank you