Mistakes Were Made - One ROM Fire 🔥 USB

In this video I get my new One ROM Fire USB model working. One ROM is the most flexible replacement ROM for your retro systems. In a previous video I showed the challenge of laying out this extremely space constrained two layer PCB. This time, I work through all of the issues in getting it running and serving as a replacement VIC-20 ROM. 🔗 *Links* Laying out the One ROM Fire USB:    • One ROM Fire USB - Laying out RP2350 + USB...   One ROM Fire USB Assembly Fail:    • One ROM Updates 💥 RP2350 assembly fail, 28...   Recent Hackaday Podcast covering One ROM: https://piers.rocks/2025/10/09/floss-... One ROM website: https://onerom.org/ One ROM Web Programmer: https://onerom.org/web/ One ROM Studio installer: https://onerom.org/studio/ 🛒 *Buy One ROMs* Keep an eye on my online store if you want to buy One ROMs when they are available: https://www.packom.net/product/one-rom/ Don't feel you need to buy my version of One ROM - I have no problem with you getting them fabbed yourself, or even selling them for profit. I will even advertise your version of One ROM on my youtube channel and at onerom.org if you share a link with me. ⏰ *Timestamps* 00:00 🎬 Introduction 01:01 ⚡ First power on 09:00 ❌ Fail 1 14:25 🔧 Firmware changes 20:10 ❌ Fail 2 22:30 💾 More firmware changes 25:00 ❌ Fail 3 29:00 ❌ Fail 4 31:30 ❌ Fail 5 31:59 ✅ It verks! 38:35 🤔 Assembly fail - or was it? 39:16 💭 Final thoughts Video content copyright (c) 2025 piers.rocks Limited. All rights reserved.