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Master-slave integrated BLE Bluetooth 5.1
BLE5.1 Bluetooth module
Compact size/low consumption/easy to use
Functional structure diagram 1: One-to-one Bluetooth data transparent transmission
Functional structure diagram 2: Many-to-one Bluetooth data transparent transmission
Support BLE Bluetooth 5.1 protocol
Main frequency 48MHz, 32-bit ARM Cortex M3 core
Master-slave integration, can be set as master or slave mode, support binding encryption
In slave mode, up to 20 host devices can be connected at the same time
Ultra-long transmission distance, 40-100m in open environment
Low power consumption mode, sleep current as low as 6μA
Ultra-small size, only 14mm×9.5mm×2mm
Network parameters
Bluetooth specificationBLE 5.1/L2CAP/ATT/GAP/HID
Frequency range2.40-2.48GHz
Transmit power-20dBm-10dBm adjustable
Receiving sensitivity-95dbm
Interface typeUART/PWM/GPIO/ADC
Maximum number of connections20
Broadcast interval50-2000mS
Connection interval7.5-4000mA
Custom broadcast dataSupport up to 20 bytes/custom broadcast data
Binding encryptionSupport PASKEY ENTRY pairing, 6-digit Pincode
Hardware parameters
Serial port parameters1200-921600/data bit 8/stop bit 1
Power inputDC1.8-4.2V/typical 3.3V, power supply capacity＞80mA
IO port outputVoltage 2.9V-3.3V/Maximum output current 8mA
Power consumption/single stateTX(0dB)8mA/RX9.7mA/sleep average 6.1μA
Average working current*Please refer to the detailed specification (adjustable)
Storage temperature-40℃-105℃
Size9.6×10.6×1.5mm
Other parameters
Device typeSlave device
Work modeSlave mode, broadcast mode, sleep mode
Power and power consumption | |
Power input requirements | DC1.8~4.2V, typical value 3.3V, power supply capacity＞80mA |
IO output | Voltage 2.9~3.3V, maximum output current 8mA span> |
Power consumption (in a single state) | Bluetooth TX current (0dB): 8mA Bluetooth RX current: 9.7mA Average sleep current: 6.1μA |
Average working current (adjustable) | The average operating current is determined by the set transmit power, connection interval and broadcast interval , Which can be adjusted, the reference value under the default setting is as follows: Enable hibernation: 50~80μA Disable hibernation: 4~5mA You can set the corresponding parameters to achieve lower power consumption< /span> |
VCHG charger input voltage | DC4.8~5.2V, typical value 5V span> |
Serial port parameters | |
Baud rate | 1200,,2400,4800,9600,14400,19200,38400,57600 ,115200,230400,460800,921600 |
data bits | 8 |
Stop position | 1 |
Bluetooth parameters | |
frequency | 2402~2480MHz |
Transmit power | -20~10dBm adjustable |
Receiving sensitivity | -95dBm |
standards | Bluetooth V5.1(LE mode) LsCAP,ATT,GAP,GATT,HID |
Maximum number of connections | 20 |
Broadcast interval | 50~2000ms |
connection interval | 7.5~4000ms |
Custom broadcast data | supports up to 20 bytes of custom broadcast data span> |
Binding encryption | support PASSKEY ENTRY pairing, 6-digit pincode span> |
Other | |
Working temperature | -40~120℃ |
Dimensions | length 14mm×width 9.5mm×H2mm |
HLK-B40底板PCB原理图.zip
B40蓝牙透传模块规格书 V1.2 201106.pdf
B40蓝牙透传模块使用手册 V2.1 240902.pdf
B40-iOS.zip
B40 app下载链接.txt
HLK-B40 Config Tool V1.0 210111.exe
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Contact number：027-87265699 Copyright：Wuhan Hi-Link Electronic Co.,Ltd. Technical Support：Gicisky
