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HLK-B40 is a kind of Master-Slave serial port transmission Bluetooth-compatible module based on BLE5.1
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-compatible-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 size 14mm×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
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
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HLK-B40 Specifications
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
