Tomas Pham - Technical Lead / Engineering Manager

Tomas Pham

4.8

Select me!

Tomas is available for hire

Hire Now

Tomas Pham

4.8

Age

Gender

Male

Main expertise

Embedded Systems Embedded Software Firmware C C++Python Linux ARM Bluetooth IoT RTOS CI/CD

Introduction

Tomas Pham is a technical enthusiast and fast learner with over 13 years of experience in the software industry as a software developer and engineer, specializing in Linux systems. He possesses expertise in designing schematics and PCB layouts using KiCad, and has experience with designing resonant inverters and converters, particularly class D/E for power conversion between DC-DC-AC. Tomas is proficient in programming languages including C, C++, Python, and Bash scripting.

Project list

Open-source Sensor Network for Smart Homes and Smart Farming

Developed hardware and firmware for a low-power microcontroller powered by a lithium battery, designed to monitor field sensor devices. Additionally, created a controller system tailored to customer requirements.

Design and develop sensor network systems. Implement power-saving techniques to optimize battery life and enhance system efficiency. Integrate various field sensor devices, ensuring compatibility and proper data acquisition from the sensors.

Technologies: C, C++, Python, Linux, Embedded Systems, ARM Cortex M Series, Opensource Tools, Hardware

Ultrasonic Sonar Object Scanner

Developed a sonar object scanner from scratch utilizing 50kHz/200kHz ultrasonic transducers, with real-time data display on an Android device via wireless (Bluetooth) connectivity.

Develop the complete hardware design. Implement and test the system for accuracy and performance. Ensure seamless wireless connectivity with Android devices.

Technologies: C, C++, Android, Bluetooth, Embedded Systems, ARM Cortex M Series

Kindhelm Positioning System

Developed a high-precision positioning device using RTK GNSS sensors for agricultural applications such as tractor guidance.

Manage a small team of 4 people. Develop and bring up a Linux OS, including the Linux kernel with Yocto/Buildroot, and necessary applications including system services and devices for specific sensors or peripherals such as Quectel WiFi, LTE 4G module, and RPMSG for dual-core communication. Build a Hardware-In-the-Loop (HIL) system for integration and testing, and implement CI/CD from scratch. Develop a Modbus RTU application on Linux to read log files from a Universal Robot arm for testing GNSS sensor precision. Handle various other small tasks.

Technologies: C, C++, Linux, Embedded Systems, ARM Cortex M Series, GNSS Sensor, RTK, CI/CD

Renesas Autonomous Vehicle Project

Developed scripts for automating the compilation, building, and deployment of Linux software packages and worked on optimizing Linux kernel performance for better real-time processing.

Write Bash and Python scripts for automated compiling, building, and deploying of Linux software packages. Cross-compile the Apollo autonomous software framework to run on Renesas' platform. Implement real-time patches to existing Linux kernels to reduce latency and improve efficiency.

Technologies: C, C++, Bash, Python, Linux, Embedded Systems, ARM Cortex M Series, Renesas

Birdview Camera System for Car Parking

Developed a demo system for a bird's-eye view camera solution to facilitate car parking using a setup of four cameras integrated with a Renesas development kit. The system gathers distorted images from these cameras, and then corrects the distortion using either hardware acceleration or a custom version of the OpenCV library. Subsequently, these corrected images are stitched together to form a single comprehensive image, which is displayed on the screen.

Software design Coding Testing

Technologies: C, C++, Python, OpenCV, Embedded Systems, ARM Cortex M Series, Renesas

Air Pollution Visualization and Health Correlation

Collaborated with a team including Vietnamese members and a doctor from MIT to develop a website aimed at visualizing air pollution in Ho Chi Minh City. The project seeks to analyze and establish statistical correlations between air pollution levels and public health.

Software design Coding Testing

Technologies: C, C++, Python, Embedded Systems, ARM Cortex M Series

Light L16 Camera - 16 Lens Camera Development

Developed and enhanced software for the Light L16 Camera, a revolutionary 16-lens camera, aiming to elevate its capabilities to compete with DSLR cameras.

Develop software features for ASICs used in the L16 device camera. Implement a multi-exposure capture feature to enhance image quality by using different exposure times across 16 image sensors. Improve communication between ASICs and the Android OS. Write Python scripts to validate device functions and troubleshoot software and hardware bugs.

Technologies: C, C++, Python, Embedded Systems, ARM Cortex M Series, ASIC

Small Object Counting System

Developed software capable of accurately counting small-sized objects using feature engineering and deep learning models, such as convolutional neural networks and dense networks. The system operates effectively under normal conditions, though its accuracy is reduced when dealing with noisy images.

Software design Coding Testing

Technologies: C, C++, Python, Embedded Systems, ARM Cortex M Series, Convolution Neural Network, Dense Network

High-Speed Ethernet Controller

Assisted in maintaining and developing new software features for a high-speed network controller.

Software design Coding Testing

Technologies: C, C++, Bash, Python, Embedded Systems, ARM Cortex M Series, FPGA, NTP, PTP

Renesas RH850 Microcontroller Development

The goal of this project is to develop, integrate, and test source code for the Renesas RH850 32-bit microcontroller.

My main tasks include: - Developing, integrating, and testing the persistent framework to save data on Flash. - Developing the DMA driver SPI module. - Creating the CAN driver. - Working with retention RAM. - Implementing the FSM (Finite State Machine) module.

Technologies: C, Embedded Systems, ARM Cortex M Series, Renesas RH850, Flash, DMA, SPI, CAN, Retention RAM, FSM

Profinet Weldsaver System Development

A software development project focused on creating advanced solutions for managing welding operations utilizing Profinet protocol communication with PLC/PC hosts.

Manage software development plan, analyzing customer requirements and designing software architecture. Developed Emulated EEPROM based on Flash memory for STM32 microcontroller. Developed a multi-point calibration algorithm. Created a server-side application for parameter configuration through a web page. Developed firmware applications for communication with PLC/PC hosts via the Profinet protocol.

Technologies: C, Embedded Systems, ARM Cortex M Series, STM32, Profinet, PLC, EEPROM, Flash, Web Page, Multi-Point Calibration, Server Side Application, Firmware Application

USB Flow Meter System

The USB Flow Meter System is a compact flow sensor that utilizes USB 2.0 protocol for seamless communication with a PC. It allows users to upload new firmware and monitor liquid flow conveniently.

Software design Coding Testing

Technologies: C, Embedded Systems, ARM Cortex M Series, USB 2.0, Flow Sensor, Firmware, Keil C51

Project list

Education

Expertise