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Tamas Jozsi

PROFILE

Tamas Jozsi

Tamas Jozsi developed embedded systems features and device drivers across Zephyr-based repositories, including nrfconnect/sdk-zephyr and nxp-upstream/zephyr, focusing on hardware integration and cross-board compatibility. He implemented unified ADC and PWM LED support, enhanced I2C device-tree configurations, and delivered an interactive CLI shell for regulator control, streamlining hardware testing and prototyping. Using C, DTS, and Python, Tamas addressed platform-specific challenges such as Bluetooth LE reliability and flash partitioning, while maintaining code quality and documentation. His work enabled faster sensor integration, improved out-of-the-box shield support, and reduced integration effort, demonstrating depth in embedded systems and hardware abstraction layer development.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

18Total
Bugs
3
Commits
18
Features
8
Lines of code
53,833
Activity Months4

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

Month: 2026-03 — Delivered a new Interactive Regulator CLI Shell sample for nxp-upstream/zephyr, enabling interactive control of regulator devices via a command-line interface. The work includes build/run configuration files and comprehensive documentation to facilitate adoption and hardware interaction, accelerating prototyping and testing of regulator subsystems. This contribution enhances developer experience, testability, and upstream readiness of the regulator subsystem.

February 2026

3 Commits • 2 Features

Feb 1, 2026

Concise monthly summary focusing on key accomplishments, business impact, and technical achievements. This month highlights feature delivery and compatibility improvements across two Zephyr repos, improving out-of-the-box I2C/shield support for Arduino boards and reducing integration effort for users.

November 2025

3 Commits • 1 Features

Nov 1, 2025

November 2025 performance review for nrfconnect/sdk-zephyr: Delivered unified ADC support across three boards (Arduino Nano Matter, ThingPlus MGM240P, XIAO MG24). Implemented board-specific pin mappings and device-tree ADC channel configurations, enabling consistent analog input access on A0-A7 (Nano Matter and MGM240P) and A0-A6 (XIAO MG24). Three commits underpinning the work were applied to ensure cross-board compatibility. No major bugs reported in this scope. Business value includes faster sensor integration, expanded cross-board sensor capabilities, and streamlined maintenance across platforms. Technologies demonstrated include Zephyr board bring-up, device-tree integration, and Git-based collaboration.

June 2025

11 Commits • 4 Features

Jun 1, 2025

June 2025 performance highlights spanning AmbiqMicro/ambiqzephyr, zephyrproject-rtos/hal_silabs, and nrfconnect/sdk-zephyr. Delivered cross-repo features for MGM240/ MGM24 modules, implemented low-level peripheral support, and resolved reliability issues, enabling faster time-to-market for Silicon Labs-based Matter devices.

Activity

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Quality Metrics

Correctness100.0%
Maintainability97.8%
Architecture100.0%
Performance97.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

CCMakeDTSPythonYAMLdtsreStructuredText

Technical Skills

Arduino developmentBluetooth LEC programmingDevice DriversDevice TreeDevice Tree ConfigurationEmbedded SystemsEmbedded Systems DevelopmentHardware Abstraction LayerHardware Abstraction Layer (HAL)Hardware IntegrationHardware SupportI2C communicationRTOSRTOS Configuration

Repositories Contributed To

5 repos

Overview of all repositories you've contributed to across your timeline

nrfconnect/sdk-zephyr

Jun 2025 Nov 2025
2 Months active

Languages Used

DTSdtsC

Technical Skills

Device TreeEmbedded SystemsC programmingdevice driver developmentdevice treedevice tree configuration

AmbiqMicro/ambiqzephyr

Jun 2025 Jun 2025
1 Month active

Languages Used

CCMakeDTS

Technical Skills

Bluetooth LEDevice TreeDevice Tree ConfigurationEmbedded SystemsEmbedded Systems DevelopmentHardware Abstraction Layer

zephyrproject-rtos/hal_silabs

Jun 2025 Jun 2025
1 Month active

Languages Used

CPythonYAML

Technical Skills

Device DriversEmbedded SystemsHardware Abstraction Layer (HAL)Hardware IntegrationRTOSScripting

nxp-upstream/zephyr

Feb 2026 Mar 2026
2 Months active

Languages Used

CCMakeYAMLreStructuredText

Technical Skills

I2C communicationZephyr RTOSdevice driver developmentembedded systemsC programminghardware interaction

Zephyr4Microchip/zephyr

Feb 2026 Feb 2026
1 Month active

Languages Used

DTS

Technical Skills

Arduino developmentdevice tree configurationembedded systems