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B20 serial port TTL to BLE Bluetooth module 4.2 small size low power consumption wireless serial port transparent transmission Bluetooth module
High-speed ARM9E core MCU
2.4G/1T1R, BLE 4.2
160k programming space, 20KB RAM
Ultra-low power supply voltage, wide voltage power supply 0.9-3.6V
Support wide voltage 2.5V ~ 3.6V, single power supply
Rich peripheral interfaces: SPI/I2C/ADC/UART/PWM/GPIO
High-speed 10-bit multi-channel ADC, and supports internal filtering
The test board kit is mainly used to test the data transmission function of HLK-B20's Bluetooth and serial port.
*The Android terminal can directly install the APP Demo provided by our company for testing, and the Apple terminal can
Test with nrfconnect;
*The GPIO&PWM interface of the Bluetooth module has not been developed, please contact technical customization if necessary;
*Product parameter configuration and parameter description, please consult customer service to receive after placing an order.
Network parameters | BLE 4.2 |
Number of channels | 2.4g:1-14 |
| frequency range | 2.4-2.4835GHZ |
| transmission power | 4dBm |
| Receiving sensitivity rate | -96dbm |
| Received power | 5.1ma |
| transmission power | 4.5ma |
| interface type | SPI/I2C/ADC/UART/PWM/GPIO< /span> |
antenna | |
antenna type | Onboard antenna/external antenna (default onboard antenna) |
Hardware parameters | |
Working voltage | 0.9~3.6V |
| Module size | 25×16×1.5mm |
Serial port baud rate | 1200~921600bps |
Other parameters | |
Status indicator | Status indication |
Environmental standards | Working temperature:-40-125℃ |
Working humidity:10%-90%RH(no condensation) | |
Storage temperature:-40-90℃ | |
Storage humidity:5%-90%RH(non-condensing) | |
Other performance | Band bandwidth is optional: 1MHz |
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Contact number：027-87265699 Copyright：Wuhan Hi-Link Electronic Co.,Ltd. Technical Support：Gicisky
