Job Description
Firmware Engineer – Embedded Systems (LED Display Controller, 4G, GPS)
We are looking for an experienced Embedded Firmware Engineer to optimize and improve the stability of our existing firmware for interactive LED display controller boards.
Our system is already deployed and functional, but we need an expert to improve communication reliability, OTA updates, and GPS accuracy.
About the System
We have custom controller boards for interactive LED displays. Current firmware supports:
Remote image updates for LED display content
Brightness control
4G communication with our custom backend server
Heartbeat reporting to server
GPS data reporting
Door open sensor monitoring
Temperature monitoring
Battery BMS data reporting
Remote firmware update over 4G (currently unstable)
We have developed our own backend server that communicates directly with the board via our custom protocol.
Current Issues to Solve
We need help diagnosing and resolving the ...
We are looking for an experienced Embedded Firmware Engineer to optimize and improve the stability of our existing firmware for interactive LED display controller boards.
Our system is already deployed and functional, but we need an expert to improve communication reliability, OTA updates, and GPS accuracy.
About the System
We have custom controller boards for interactive LED displays. Current firmware supports:
Remote image updates for LED display content
Brightness control
4G communication with our custom backend server
Heartbeat reporting to server
GPS data reporting
Door open sensor monitoring
Temperature monitoring
Battery BMS data reporting
Remote firmware update over 4G (currently unstable)
We have developed our own backend server that communicates directly with the board via our custom protocol.
Current Issues to Solve
We need help diagnosing and resolving the ...
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