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Bernd WestermannBW

Bernd Westermann

Connecting Embedded Linux and RTOS

€760/day
Vogtsburg im Kaiserstuhl, DE
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Bernd

  • German

    Native or bilingual

  • English

    Fluent

Can work on-site
Vogtsburg im Kaiserstuhl (up to 50km)

Experience

  • heliosys GmbH
    Temperature acquisition as part of energy management
    January 2026 - Today (5 months)
    Haldenwang, BY, Germany
    Development of an Arduino-based system for temperature acquisition.
    • - Data acquisition via Modbus RTU
    • - Modbus Server: WP3066ADAM
    • - Modbus Client: Arduino Opta (STM32H747XI)
    • - Processing of sensor data and Ethernet/WiFi transmission as JSON string to the backend
  • SMIGHT GmbH
    Concept creation for the series introduction of Linux Secure Boot and Disk Encryption
    ENERGY AND UTILITIES
    June 2025 - October 2025 (4 months)
    Karlsruhe, Germany
    Creation of a comprehensive concept for the series introduction (prototype)
    of Linux Secure Boot and Disk Encryption on Smight's existing ARM platform.
    Evaluation of "Secure Boot" on Raspberry Pi CM4/CM5 modules from
    the following IoT device management platforms:
    - Balena
    - Qbee
    Development of a Raspberry Pi CM4 Linux system for qbee
    fleet management:
    - Yocto scarthgap
    - qbee integration using meta-qbee
    - Signed boot for Raspberry Pi CM4 (EEPROM and OTP provisioning)
    - signed Yocto fitImage
    - Signing kernel and modules
    - Signing filesystem (ro) (dm-verity)
    - Filesystem encryption
    - OTA updates (rauc)
    - Virtualization on the CM4 (docker)
  • NEURA Robotics
    Embedded Linux system in robotics
    August 2025 - Today (10 months)
    Karlsruhe, BW, Germany
    Remote
    Development of a visualization module based on Toradex's Verdin iMX8M Plus. My key roles:
    • - Creation of a project-specific Yocto BSP based on the "Toradex Yocto Project" (scarthgap)
    • - Adaptation and creation of kernel drivers and devicetree for the NXP i.MX8 processor used
    • - Support for the GO product app under Linux / yocto / systemd
    • - Setting up a WLAN AP using hostap and dnsmasq

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Education

  • Workshop Embedded Linux with Yocto
    DÜRR DENTAL SE
    2023
    Workshop Embedded Linux mit Yocto
  • PRIVATE

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