# DIY modder creates 'heat engine computing device' powered by a Stirling engine, can run Tetris, Snake, and Pong — 80 MHz processor operates on just 150 milliwatts of power

> In one of the most unique DIY projects, Reddit user PickentCode has created what can be described as a completely off-the-grid "heat engine computing device.

- **Source:** [Tom's Hardware](https://www.tomshardware.com/pc-components/case-mods/diy-modder-creates-heat-engine-computing-device-powered-by-a-stirling-engine-80-mhz-esp32-can-run-tetris-snake-and-pong-on-just-150-milliwatts-of-power?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a7b12d012ece888f31cec77)
- **Published:** 2026-08-11
- **Category:** Computers & IT
- **Tags:** #oled
- **Canonical:** http://localhost:4321/a/6a7b12d012ece888f31cec77

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_GearOpen's distilled summary. The full original article is published at Tom's Hardware (source link above); GearOpen does not republish the source's full text._