Michael Kraft - Co-Founder

Recommended expert

Hamburg, Germany

Experience

Oct 2024 - Jan 2025

4 months

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Bytec Medizintechnik

Developed solution to filter heavily noisy analog sensor data by combining high-speed sampling and digital firmware filtering
Increased battery life of a battery-powered medical device from approx. 10 days to approx. 18 months
Supported the overall project up to the first clinical tests and TÜV approval

Jun 2023 - Jul 2023

2 months

Portugal

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Azorean Biodiversity Group CE3C (University of the Azores)

Developed a pilot project for real-time communicating pest traps for insects
Implemented real-time communication of traps for monitoring and data transmission

May 2023 - Jun 2024

1 year 2 months

Portugal

Co-founder

JSIO Lda

Developed a platform-independent interface to simplify and reduce costs of new IoT hardware
Designed and implemented a modular driver system (MDS) as a standardized framework for quick hardware integration
Integrated complex software modules like edge computing, AI and ML
Used JSON as the sole data protocol for easy configuration with JavaScript or Python skills
Ported firmware from 32-bit MCUs by Espressif to embedded Linux systems
Successfully funded by ESA BIC Portugal in September 2023

May 2021 - Nov 2021

7 months

Portugal

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ImpactWave

Developed a measurement device for LoRa(WAN) applications to optimize existing LoRa networks
Hardware design with Semtech LoRa module (433/868/915 MHz) and RISC-V MCU with BLE and USB
Implemented a native Android BLE app with a complex user interface, ported to iOS
JSON-based communication over USB (CDC ACM) and created a Python module for user programming
Sole project responsibility

Oct 2019 - Aug 2020

11 months

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Q-Connex

Smart home IoT application on a poorly documented, low-cost Chinese SoC
Analyzed the SoC components before starting firmware development
Implemented TLS-protected TCP socket firmware and an integrated MQTT server & client
Developed a UDP socket for provisioning broadcast to quickly connect devices and apps

May 2018 - Sep 2018

5 months

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Plexus

Developed the embedded USB high-speed driver for the Dräger X-act 7000 on ARM Cortex M4 (STM) in C++ and integrated it into the microcontroller RTOS
Implemented a complex control protocol in parallel with video data transfer at up to 80% USB utilization
Developed a Windows application for unit and production tests

Jan 2016 - Dec 2018

3 years

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3onics Systems Inc

Developed a battery-powered DC motor controller with a self-learning, fast-adapting algorithm for precise speed control under varying power conditions
Platform: cost-effective ESP32-C3 module
Implemented a Bluetooth Low Energy (BLE) GATT server for transmitting usage data
Integrated a genetic algorithm (AI) into the firmware for control
Controlled and accessed data via Android and iOS apps

Jan 2007 - Dec 2007

1 year

Italy

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Società Italiana di Biologia Marina

Developed an underwater audio recorder with hydrophone, featuring a 24-bit delta-sigma ADC and up to 220 kHz sample rate
Created a ring buffer with about 80 seconds of recording time for pre-buffering until a trigger event, and continued recording to an SD card
Designed a custom memory management scheme for the FAT32 file system to avoid memory fragmentation

Summary

Over 20 years developing

Embedded Systems
IoT
DSP (Audio)
Digital and mixed-signal electronics
Simulation
Schematics, PCB layout
Prototype building and commissioning

Skills

Experience In Software And Firmware Development
Programming Languages: C And C++ (20+ Years), Java And Embedded Java (2 Years), Kotlin (2 Years), Rust (1 Year), C# (1 Year), Various Assembly Languages, Scripting Languages: Python (4 Years), Javascript / Typescript (4 Years), Lua (1 Year)
Rtos: Freertos, Uc, Emdos, Mbedos, Zephyr, Vxworks
Bare Metal: Arm Cortex M4 (Stm), Process-optimized Audio Dsp Applications
Microcontrollers: Arm Cortex M0 To M7 (Stm, Nxp, Infineon, Etc.), Aurix (Infineon), Esp32 (Espressif), Risc-v (Espressif), Tensilica Xtensa, (Audio) Dsps (Texas Instruments, Sharc), Various 8-bit And 16-bit Mcus
Low-level Drivers: Dma, Usb, Spi, I2c, Uart/usart, I2s And Tdm, Can, Lin, Rs485 And More
Single Board Computers: Raspberry Pi, Beaglebone, Various Arm Cortex-a Derivatives
Embedded Linux: Yocto, Pantavisor
Networking: Ssl/tls Encryption, Aes, Low-level Tcp And Udp Sockets, Http(s), Websockets (Ws/wss), Ota Secure Firmware Updates
Communication Hardware: Wi-fi (Ieee 802.11), Ethernet Including Tsn, Bluetooth & Ble, Gsm (Lte Cat 1 To 4 And Nb-iot), Zigbee, Nfc, Lora & Lorawan
Common Data Protocols: Json, Mqtt, Modbus & Profibus, At, Matter (Csa-iot) And More
Desktop Apps: Linux, Windows
Platform-independent Guis: Qt/qml, Webview Api (Html5, Css, Angularjs)
Native Mobile Apps For Android In Kotlin Or Java, Including C++ Integration
Version Control: Git (Github, Gitlab, Bitbucket), Svn
Unit And Integration Testing
Hardware Bench Testing
Experience In Hardware Development
Product Development From Prototype To Production Readiness
Own Lab For Prototyping And Testing With All Common Lab Equipment
Circuit Design: Digital, Analog, Mixed Signal, Spice, Pcb Layout And Board Bring-up
Eda Experience: Altium, Kicad, Eagle, Orcad, Target
Robotics: Stepper, Servo, Synchronous And Bldc Motors
All Types Of Sensors
3d Cad: Rhino, Moi, Plasticity
Software Architect In Various Projects And Product Developments
Confident Working With Customers And Stakeholders
Leadership Roles In International Teams, Extensive Experience With Interns
Management Tools: Polarion, Confluence, Agile/scrum, Jira
Multiple Startup Experience, Strong Problem Solver
Author Of English Documentation And Fiction (Novel: "The Bomb")