Bluetooth 4.0 Module Core51822 (nRF51822) - Waveshare 9515

The low-power consumption micro-controller intentionally designed for Internet of Things (IoT) projects. The board integrates a Dual-Core ESP-WROOM-32 module, which supports MCU and Wi-Fi &Bluetooth dual-mode communication. DFR0478

An advanced wireless communication module based on the Bluetooth 5.2 (Bluetooth® Low Energy, BLE) stack, which is designed using the powerful Nordic nRF5340 SoC. It provides GPIO, SPI, UART, TWI, I2C, PDM, PWM, ADC, NFC and USB interfaces for connecting peripherals and sensors. SparkFun WRL-25465

Waveshare BLE4.0 Bluetooth 2.4G Mother Board, provides I/O expansion connectors and various interfaces. BLE400

2.4 GHz Bluetooth 4.0 communication module, based on the nRF51822 system. Designed for applications with low energy consumption.

Bluetooth module with integrated HC-08 system. Thanks to the angular pin connector with the bus signals, it is possible to easily connect the module to the contact plate or wires

The Pmod BLE module is a Bluetooth module with powerful capabilities. Thanks to communication via the UART port, the module can be connected to any platform equipped with this interface. The module is equipped with the Roving Networks RN4870 system, in which a full Bluetooth interface is built-in. Digilent 410-359

Bluetooth module with integrated HC-08 system. Thanks to the angular pin connector with the bus signals, it is possible to easily connect the module to the contact plate or wires

Integrated circuit, combining Wi-Fi functionality and Bluetooth 4.2 BLE. Integrated 32-bit dual-core Xtensa LX6 processor, 448kB ROM, 520kB SRAM. ESP32 allows you to work with many interfaces, including SPI, I2C, UART, CAN, ETH, IR and can be supplied with 2.2V-3.6V. The system has a QFN48 (5x5mm) housing. ESP32-D0WD

The module with the HC-05 compatible transceiver makes it easy to add Bluetooth communication to an existing project. The system is controlled by exchanging AT commands (UART bus)

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25466

Bluetooth audio receiver module enclosed in a housing that enables wireless transmission of sounds. It is equipped with a PCB antenna and a 3.5 mm audio jack

Overlay module for Raspberry Pi with GSM, GPRS, GNSS and Bluetooth

DFRobot BLE4.1 Module is a Bluetooth 4.1 module with DA14681 processor with 3.3 V power supply. It is characterized by low energy consumption and advanced energy management system (built-in charging module). DFRobot TEL0120

Quectel MC60ECA-04-BLE

WRL-13019

Low Energy Bluetooth adapter module with 2x4 pin 2.54mm connector, extra / high. RS232 allows communication with BLE devices