Hi-Link/HLK-B40 master-slave integrated bluetooth module B40 BLE bluetooth 5.1 wireless serial port transparent transmission module long-distance stable transmission (development kit) -79364

HLK-B40 is a kind of Master-Slave serial port transmission Bluetooth-compatible module based onBLE5.1

All kinds of devices with serial port can use Bluetooth-compatible wireless to send and receive data simply and quickly through this module.

The basic functions and features are as follows:

?Main frequency 48MHz, 32-bit ARM Cortex M3 core

?Fast and stable Bluetooth-serial port transmission,serial port rate up to921600

?Master-to-one Bluetooth-compatible, which can be set to host orslave mode,supports binding encryption

?Bluetooth-compatible from the machine mode can be connected byup to 20 host devicesat the same time, supporting custom broadcast data

?Based on BLE5.1, it is faster and has a longer transmission distance and canreach 40 to 100 m in an open environment

?Supportslow-power modes,sleep currents of up to6 μAand custom connection and broadcast intervals

?Bluetooth-compatible transmit power can be adjusted up to 10dBm and receives up to -95dBm

?Support for OTA Bluetooth-compatible wireless upgrade module firmware, wireless configuration module parameters

?The default on-board high-quality ceramic antenna increases the transmission distance and includes an external antenna

?Built-in Watchdog, Long and reliable operation time

?Ultrasmall size14mm×9.5mm×2mm

?Wide operating voltage 1.8 to 4.2V,typical 3.3V

?Rich output pins (UART, I2C, SPI, up to 15 GPIOs, up to 4 ADCs, up to 6 PWMs) provide flexible and in-depth hardware and software custom development services.

HLK-B40 is a BLE5.1 master-slave integrated Bluetooth-compatible serial transparent transmission module developed and produced by Hilink Electronics. All kinds of devices with serial ports can use this module to send and receive data simply and quickly using Bluetooth-compatible wirelessly.

This product can be set as a Bluetooth-compatible slave device or a host device to use, and the slave supports simultaneous connection by multiple hosts.

Using the serial port Bluetooth-compatible two-way transparent transmission function of this module, users do not need to understand the complicated Bluetooth-compatible protocol stack, just connect the client's device or MCU serial port to this module, and the module will automatically complete the communication between the serial port and Bluetooth-compatible (GATT) Two-way data forwarding is equivalent to a bridge between the user's MCU serial port and the Bluetooth-compatible device, enabling the user's serial device to add Bluetooth-compatible wireless transmission function.

Support AT command mode, you can query or set the basic parameters of the module through the serial AT command, such as device name, serial port baud rate, etc.