> For the complete documentation index, see [llms.txt](https://docs.echook.uk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.echook.uk/circuit-schematics/bluetooth-module.md).

# Bluetooth Module

![](https://lh5.googleusercontent.com/drJulUQK-VxiQhLCqhcUAoMzjaHLJePQhftTRypqf4hIis-hgxWCYsgSz-iE9W_tTwa9KfIrHYu-IJAUXF3T0PT-fjYzbBsrtuwI1y9FjlHYtFwEXpbVGb55lxwbzWeUZ4b7lU23)

This module is connected directly to the Arduino `TX` and `RX` pins, plus `5V` and `GND`.