Low-cost Low-power asset tracking device


Low-cost shipping container tracking using cellular (NB-IoT/LTE-CatM with 2g or 3g fallback) without using GPS


Device wakes up every X minutes, samples the environment (time, temperature, cell towers w/ signal strength info), then transmits its information (timestamp, temp, cell ids, imei/imsi) to a server (either via http request or mqtt). If it is unable to successfully transmit, it will store its information in memory to be transmitted later. As a HTTP or mqtt response, the device will receive information regarding time and any reconfiguration options (scan interval, shock threshold, etc). When device reaches shock threshold, a scan/transmit event should occur. Remote firmware update to happen later. BLE meshing to happen later.

Possible components:

MCU (?), cell module, SIM card holder, flash, external crystal?, battery connector (I don't think I need recharging circuit), jtag? (or a place to flash firmware), antenna connector -- maybe accelerometer and temp/humidity?

Skills: Electrical Engineering, Power Generation

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About the Employer:
( 0 reviews ) Las Vegas, United States

Project ID: #20770173

3 freelancers are bidding on average $20 for this job


Hello, I am PhD Researcher in Electrical Engineering with specialization in Control Systems (Linear and Nonlinear Control Systems). I have Master's degree in Electrical Engineering and Bachelor's Degree in Electronics More

$10 USD in 2 days
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I read your description i am an electrical engineer. I can help you in this project. i can also make its simultion

$20 USD in 5 days
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Hi. I have experience in electronics and pcb design, embedded development. I have worked with MPU9250 InvenSense integrated accelerometer with gyroscope, also have some experience with NRF52 bluetooth ic. I suggest to More

$30 USD in 30 days
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