STM32 IoT Data Logger Firmware

Presupuesto: $250 - $750 / ⭐ (0)

C Programming, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, MQTT, Signal Processing, STM32

I need production-ready firmware for a battery-powered 4 G IoT data logger built around an STM32 MCU and a SIM7600 modem. The device accepts both 4–20 mA analog signals and pulse inputs, logs the readings locally, then pushes the data to the cloud over MQTT... (Budget: $250 - $750 USD, Jobs: C Programming, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, MQTT, Signal Processing, STM32)

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