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Electronics / embedded systems - paid prototyping project

Paphos, Paphos - Kato Paphos
Posted: Yesterday 09:26 Ad ID: 6538997
Location: Paphos — Paphos - Kato Paphos
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Location : Paphos, Cyprus (preferred) · Remote from Limassol also fine

Compensation: €1,500 total across 3 milestones

Type: Freelance / side project · Flexible hours

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## What we’re building

A consumer countertop appliance that automatically prepares a powder-based beverage — heating water, dosing, agitating, and dispensing a finished drink at the press of a button. Think single-serve coffee machine, but with completely different physics under the hood.

We’re a Cyprus-based startup at the prototype stage. The product architecture and industrial design are defined. We need hands-on help turning the design into a working physical prototype.

## What we need

An electronics / embedded systems person to help build the prototype across three paid milestones:

### Milestone 1 — Component Selection & BOM (€200)

- Review the design specification and system architecture

- Research and source exact components: water pump, heating element, temperature sensors, motor drivers, solenoid valve, power supply, connectors

- Deliver a complete Bill of Materials with supplier links and pricing

- ~10–15 hours of work

### Milestone 2 — Breadboard Functional Prototype (€600)

- Wire all subsystems on dev boards and breadboard around an ESP32

- Get the microcontroller communicating with every component: pump, heater (PID temperature control), motor, sensors, display

- Implement a basic state machine for the full preparation cycle

- Deliverable: it heats, pumps, agitates, and dispenses — ugly but functional

- ~50–60 hours of work

### Milestone 3 — Integrated 3D-Printed Prototype (€700)

- Mount electronics into 3D-printed enclosures (we handle the CAD and printing)

- Clean wiring with proper connectors and cable management

- Full brew cycle running end-to-end, reliable and repeatable

- Deliverable: a demo-ready unit you could put on a table and show to people

- ~50–60 hours of work

Each milestone is paid on completion. You can stop after any milestone — no long-term commitment required.

## Who this is for

- EE / mechatronics / embedded systems student or recent graduate

- Hobbyist or maker with real hands-on electronics experience

- Someone comfortable with: ESP32 / Arduino, soldering, reading datasheets, basic PID control, wiring motors and sensors

- You do NOT need: PCB design, firmware architecture, or product design experience — we handle that

This is a great portfolio project if you’re a student looking to work on a real product, not a class assignment.

## Requirements

- All work is under a simple work-for-hire agreement with IP assignment — standard for any product development project

- Ability to meet in person in Paphos is a strong plus (workshop available)

- Must be able to communicate in English

## Interested?

Send a short message about your background and any projects you’ve built (even hobby/personal projects count). No formal CV needed.

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  • Fabio

    Posting since apr, 2024

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