The Bluetooth module wants 3.3v logic levels so that is taken into account. The image above shows a buffer chip doing the conversion, but the Fritzing schematic on the post uses a voltage divider.

Bluetooth is what your Mac uses to connect to wireless devices like keyboards, mice, trackpads, speakers, and other peripherals. Generally, it's ...

The modules are the FC30R, a cost-effective, industrial-grade Wi-Fi module; the FCU743R, featuring Wi-Fi 4 and Bluetooth 5.2 capabilities; and the FCM740D, an MCU with Wi-Fi 4 and Bluetooth 5.2.

Bluetooth 3.0 + HS, as it'll be called, promises to be markedly faster than prior iterations thanks to the reliance on 802.11, which is the same protocol used by WiFi modules, routers, etc.

The Quectel FCS962N-LP is a Wi-Fi 6 and Bluetooth 5.4 module that supports both the 2.4GHz and 5GHz bands with integrated dual-mode Bluetooth and support for LE audio and BLE long range.