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I will python automated factory test jigs and firmware validation
Embedded Firmware Engineer ESP32, STM32, AVR and Hardware Debugging
I am an Embedded Firmware Engineer specializing in C/C++, FreeRTOS, and industrial communication protocols. I don't just write application-level code; I work directly with the bare-metal registers and...
About this Gig
Are you scaling your hardware product to mass production? Manual factory floor testing slows down throughput, introduces human error, and leads to costly defective boards reaching customers.
I will build a custom, production-ready Python automated test jig script & validation firmware to transform your assembly line into a high-throughput, data-driven operation for STM32, ESP32, or AVR platforms.
Core Technical Features:
- Automated Flashing: Direct CLI integration with esptool, STM32CubeProgrammer, or avrdude.
- Board Provisioning: Automated reading of hardware UIDs/MAC addresses and dynamic injection of serial numbers or security keys into persistent flash.
- Bus Validation: Low-level MCU firmware execution to verify UART, SPI, and I2C integrity.
- Serial Diagnostics: Real-time Python parsing of debug streams to quickly isolate component failures.
Deliverables include clean Python code, a localized validation binary, and a structured CSV log layout for line operators.
NOTE: Hardware requirements (schematics/pinouts) must be provided. Please message me before ordering to discuss your specific toolchain and setup!
FAQ
What hardware data do I need to provide?
You need to provide your schematic layouts, pin mapping for the target buses, and a baseline sample firmware if applicable. Having a physical target board shipped to me is ideal, but we can utilize remote debugging setups or QEMU emulation environments if needed.
Can this script run on a standard factory PC?
Yes. The script will be designed to run natively on Python 3 across Windows or Linux environments. It only requires a standard USB-to-UART bridge hardware interface to talk to your target PCB.
Can you integrate this with database systems or cloud APIs?
Yes. While the standard deliverable outputs to a local CSV file for simplicity and speed, I can extend the script to push manufacturing data to an external database or MQTT broker as an add-on.
