About this episode

The episode explores open-source Bitcoin mining firmware and tooling, focusing on Mujina and its applications.

In this episode, we go deep on open-source Bitcoin mining firmware and tooling with Tyler, Skot, and eco. Skot shares his hack of running Mujina on stock Bitmain Antminer S19 control boards—no SD card, just Ethernet/USB flashing via LuxOS—unlocking full control of fans, single-board operation, and APW12 PSU management (with a cautionary tale about overheating and tripping a breaker). We discuss writing drivers for temps, fans, and the undocumented APW12 interface, 120V APW12 hardware mods (hat tip to Zach Bomsta and PivotalPlebTech), and why open firmware without dev fees beats closed alternatives. We also cover contribution best practices to Mujina, new CI pipelines, and how AI is accelerating clean, reviewable PRs. From immersion tweaks without fan spoofers to predictive maintenance and service models, we explore how open hardware/firmware/software can shrink repair times, improve reliability, and replace SaaS-style dev fees with real support. We zoom out to industry dynamics: opaque OEM support, warranty pain, and MOQs that stifle innovation—contrasted with community-built tools like HashScope (a Stratum MITM proxy for miner–pool debugging) and HydraPool experiments. We…

People in this episode

Guests: Tyler, Skot, eco

Topics covered

• Bitcoin mining
• open-source firmware
• hardware control
• community tools
• innovation in mining
• predictive maintenance

Mentioned in this episode

Organizations: PivotalPlebTech, 256F

Products: Mujina, LuxOS, APW12, HashScope, HydraPool, Bitaxe Turbo Touch, LibreBoard, EmberOne

More episodes of POD256 | Bitcoin Mining, Freedom Tech, and Awesome Tangents

• 113. Touchscreens, Thermostats, and Doom: A Weekend of Open Mining Hacks · April 22, 2026 · 41 min
• 112. Stratum v2, Nonce Space, and the DIY Miner’s Comeback · April 15, 2026 · 1h 24m
• 111. Open-Source Overdrive: Mujina Breakthroughs, Public Pool’s First Block, and LibreBoard v3 · April 10, 2026 · 1h 30m
• 110. April Fools, Real Progress: Open Firmware, Open Pools, and the Path to Decentralized Mining · April 1, 2026 · 1h 2m
• 109. Hashrate Heat, Home Sovereignty, and the Open-Source Mining Stack · March 25, 2026 · 52 min
• 108. From Mixers to Miners: Why Samourai Matters for All of Bitcoin (and What You Can Do) · March 18, 2026 · 1h 17m

Explore listener stats, chart rankings, contacts and more on the POD256 | Bitcoin Mining, Freedom Tech, and Awesome Tangents podcast page.