We are looking for someone to build a rf transmitter and receiver system.
The transmitter will have a 3 axis accelerometer ax345 or mpu6050 connected to the transmitter which will be powered by [login to view URL] can store data every 2 sec and send it to the receiver every 1 min. This needs to be ultra lowpower and run remotely on battery for along time. The size should be very compact.
The receiver will receive the data and send to web via a URL through onboard GPRS. It will be powered by DC adapter but will have Lipo battery backup.
You can use stm32 chips for microcontroller and a6 module for gprs. You can suggest other options.
For transmitter and receiver module please check the attached PDF.
You will need to provide guaranteed working gerber files with component list and required firmware
28 freelancere byder i gennemsnit $673 på dette job
I DO NOT OUTSOURCE I have been a freelancer for the past 8 years, I believe that my experience and skill in this background will prove to be of great help to you. Contact me to discuss more on the details