Uploaded November 2025 | Updated September 2026, 4 hours ago

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In this video, I show you how I upgraded my fume extractor and turned it into a remote-controlled device using CH32 microcontrollers and BT modules.

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Affiliate links:
CH32V003F4P6 development board: https://s.click.aliexpress.com/e/_DmsYBS5
CH32V003J4M6 chip: https://s.click.aliexpress.com/e/_c4CwBse5
CH9141K Bluetooth module: https://s.click.aliexpress.com/e/_c3WZM401
MP2315 DC-DC converter: https://s.click.aliexpress.com/e/_omrt4lJ
5V relay module: https://s.click.aliexpress.com/e/_DBb3mnx
Prototyping boards: https://s.click.aliexpress.com/e/_DdWFlo3
Push button for PCB: https://s.click.aliexpress.com/e/_DmbEeYX
CR2032 battery holder: https://s.click.aliexpress.com/e/_c3H5VeVL
Breadboard: https://s.click.aliexpress.com/e/_DloYYXN

Read my article on my website: https://curiousscientist.tech/blog/diy-smart-fan-upgrade-ch9141-ch32
Parts and tools: https://curiousscientist.tech/tools