We need the design of an electronic wireless card that can sense the content of a gas tank, then send it trhough Celular GPRS or Sigfox to a REST FULL Server (very small amount of data).
The server will be already developed for testing.
The divice must be able to show in a display the current meassure.
6 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön
Extensive experience in the development of data transmission systems for gsm (2g, 3g, 4g) You can see examples of work in the profile. Send the technical task. The cost and time approximate.