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.

Despite the name, Bluetooth Low Energy (BLE) has very little to do with the original Bluetooth, other than its use of the same 2.4 GHz frequencies. This is where [Dmitry] got the idea to use a 2.4 … ...

The Economy version provides Bluetooth 6 and 802.15.4 modules based on nRF54L15, with an integrated chip antenna for applications such as smart lighting, white goods, and industrial sensors. The ...

Bluetooth is what your Mac uses to connect to wireless devices like keyboards, mice, trackpads, speakers, and other peripherals. Generally, it's a reliable technology. At some point however, the ...

The FCM740D is an MCU Wi-Fi 4 and Bluetooth 5.2 module, that boasts a high-performance processor with a frequency of up to 120MHz and supports IEEE 802.11b/g/n protocol and BLE 5.2.

Geared for designers to develop smaller, power efficient internet of things (IoT) devices, Japanese chipmaker Murata has unveiled what it claims is the smallest Bluetooth Low Energy (BLE) module based ...

A Bluetooth module is one such accessory, since many budget-friendly SBCs, NUCs, and even the official HASS systems don’t ship with BLE support.