Designing An Automated PCB Test System | Voltlog

High quality PCB Services https://pcbway.com/g/01s7lR In this first part of a two-part video series, I’ll take you through the design and build process of the VoltHub7, a project aimed at creating a semi-automated test and programming system for my custom-designed VoltLink boards.

Tired of repetitive manual testing? This video delves into the challenges and inefficiencies of manually testing and flashing multiple PCBs. You'll see how the VoltHub7 utilizes a custom-designed USB hub and a Raspberry Pi Zero 2W to automate this process, saving time and ensuring consistency.

→VoltHub7 Kicad Project on Github https://voltlog.com/y/volthub7
→Shop VoltLink on Tindie https://voltlog.com/y/voltlink
→Microchip USB2517 Datasheet PDF https://voltlog.com/y/fogua
→Microchip MIC2026 Datasheet PDF https://voltlog.com/y/3s4tl
→Shop Raspberry Pi Zero 2W https://voltlog.com/y/uh7y4

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→Timeline
00:05 Introduction
04:23 Selecting USB Hub Controller IC
06:08 Schematic & PCB
10:19 PCB Assembly
12:44 Testing

→Key points covered:
Problem: Repetitive and time-consuming manual testing of VoltLink boards.
Solution: Building a semi-automated system using a custom USB hub and Raspberry Pi.
Components: Microchip USB2517 hub controller, Raspberry Pi Zero 2W, pogo pins, and custom PCB design.
Step-by-step breakdown: Learn about component selection, design considerations, PCB layout, and assembly process.
Demonstration: Witness the initial functionality test of the USB hub and Raspberry Pi integration.

Stay tuned for Part 2! We'll explore the design and implementation of the automated test jig, the crucial element that eliminates the need for individual USB cable connections during testing.

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