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Embedded Systems Engineer – Prototype Design & Firmware for Measurement Device

Upwork

Remote (Global) Contract Today

About the role

Project Overview

I’m looking for an experienced embedded systems engineer to design and develop firmware for a proof-of-concept measurement system using off-the-shelf components.

The goal is to demonstrate core functionality, not to create a production-ready product. The focus is on system design, firmware logic, and validation through testing and demonstration.

Core Functionality

The system should support:

  • Controlled actuation of a probe mechanism (via solenoid)
  • Measurement of probe displacement / depth
  • Basic data output (serial and/or BLE)
  • Reliable execution of a simple cycle: trigger → actuate → measure → return

Scope of Work

This project is structured into clear phases:

  1. System architecture and component selection
  2. Implementation of actuation control (solenoid + return mechanism)
  3. Integration of measurement sensor
  4. Firmware development for full operational cycle
  5. Data output and system validation

The expectation is to use development boards (e.g., ESP32 or similar) and off-the-shelf components. No custom PCB or production-level optimization is required.

Deliverables

  • System architecture diagram
  • Wiring / connection diagrams
  • Firmware source code (well-structured and commented)
  • Demonstration videos showing functionality
  • Basic documentation for setup and operation

Technical Expectations

  • Experience with microcontrollers (ESP32 or similar)
  • Strong firmware development (C/C++ or similar)
  • Ability to integrate sensors and control actuators
  • Familiarity with basic hardware prototyping and debugging

Collaboration Approach

We will begin with a small initial milestone focused on system design and architecture. Continued work will proceed milestone-by-milestone based on results and communication.

Clear communication and practical problem-solving are very important for this project.

Application Instructions

When applying, please include:

  1. Examples of similar embedded / hardware projects
  2. Your proposed approach to this system
  3. Estimated timeline for initial milestone

Goal

The goal is to produce a working proof-of-concept that demonstrates the core measurement mechanism and system behavior.

Skills

BLEC++CESP32Serial

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