Turning an electronics idea into a real, shippable product is a multi-stage journey. At Xi-TEK we've taken dozens of projects from concept to production. Here's what that journey looks like in practice.
Stage 1 — Breadboard Prototype
The first working version of any embedded system lives on a breadboard. Components are inserted without soldering, firmware is loaded onto a development board (Arduino, ESP32, STM32), and basic functionality is verified. This stage is fast and cheap — expect to iterate many times.
Stage 2 — Perfboard / Dev Board
Once the concept works, we move to a more permanent prototype. This might be a custom shield, components soldered to perfboard, or a development board in a temporary enclosure. This version gets tested in real conditions — temperature, vibration, power fluctuations.
Key insight: Most failures are found at Stage 2, not Stage 1. Real-world conditions reveal issues that a controlled bench test never shows.
Stage 3 — Custom PCB (Rev 1)
The first custom PCB is designed based on what we've learned from the prototypes. It's rarely perfect — Rev 1 PCBs almost always need minor corrections — but it gets the product into its final form factor and allows proper enclosure design to begin.
Stage 4 — Pre-Production
- 01. PCB Rev 2 incorporating Rev 1 corrections
- 02. Enclosure finalised (3D printed or sheet metal)
- 03. Small batch assembly (5–20 units) for extended testing
- 04. Firmware finalised and flashed to production units
- 05. Documentation: user guide, wiring diagram, BOM
- 06. Client handover and training