Uploaded November 2025 | Updated September 2026, 3 days ago

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In this video, I show you how to implement a 2-way Bluetooth communication between two microcontrollers (and your computer) by using the CH9141K Bluetooth module.

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Affiliate links:
CH32V003F4P6 development board: https://s.click.aliexpress.com/e/_DmsYBS5
CH9141K Bluetooth Module: https://s.click.aliexpress.com/e/_c3WZM401
Breadboards: https://s.click.aliexpress.com/e/_DloYYXN

Read my article: https://curiousscientist.tech/blog/ch32v003f4p6-ch32v006k8u6-ch9141-bluetooth-communication
Relevant parts and tools: https://curiousscientist.tech/tools