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HC-05 Master / Slave Bluetooth Module

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Inkl. moms
Kr. 149,00
HC-05 HC-05 Master / Slave Bluetooth ModuleHC-05 HC-05 Master / Slave Bluetooth ModuleHC-05 HC-05 Master / Slave Bluetooth Module

This class 2 Bluetooth module comes programmed with firmware that allows it to pass the output of a serial communications port (default is 9600 baud) over a Bluetooth wireless connection with no software configuration. The module is mounted on a convenient mezzanine adapter board providing an interface for power and Tx/Rx serial communication. Additionally the module, by use of AT type text commands issued via the serial interface can be reconfigured from its default Bluetooth slave state to a Master state. This means that module can not only communicate with Bluetooth master devices such as PC's and smart phones, but also when in master mode it can automatically pair with a second module in its default slave configuration allowing an end to end serial communication over Bluetooth. Please note that whilst in master mode the module can only communicate with another module in slave mode or one of our HC-06 Bluetooth slave modules (HCARDU0004).


● Bluetooth protocol: Bluetooth Specification v2.0+EDR
● Frequency: 2.4GHz ISM band
● Modulation: GFSK(Gaussian Frequency Shift Keying)
● Emission power: ≤4dBm, Class 2
● Sensitivity: ≤-84dBm at 0.1% BER
● Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
● Size: 28mm x 15 mm x 2.35mm
● Security: Authentication and encryption
● Profiles: Bluetooth serial port
● Power supply: +5V DC (5.5V max)
● Working temperature: -20 ~ +75 Centigrade

Product Description

Module parameters:
1. PCB Size: 37.3mm (Long) *15.5mm (wide)
2. Weight: 3.5g
3. Input voltage: 3.6V--6V, prohibit exceeding 7V
4. Power supply anti-reverse, the reverse module does not work
5. Leads 6 feet: EN/VCC/GND/RXD/TXD/STATE (Bluetooth state leads, not connected output low level, the output high level after connection)
6. With the connection status indicator, LED flash indicates no Bluetooth connection; Led slow flash indicates enter at command mode
7. On-board 3.3V voltage regulator chip, input voltage DC 3.6V-6V; When not paired, current about 30mA (due to LED lights flashing, current in the state of change); After the pairing succeeds, the current is about 10mA
8. Interface level 3.3V, can directly connect a variety of MCU (/51/AVR/PIC/ARM/MSP430 and so on), 5V MCU can also directly connect. Direct connection SCM Serial port, cannot pass MAX232 chip!
9. Effective transmission distance of 10 meters in open area, more than 10 meters is possible, but not to ensure the quality of the connection
10. After pairing succeeds, can be used as full duplex serial port. No need to understand any Bluetooth protocol, but only support 8-bit data bits, 1-bit stop bits, no parity communication format. This is also the most commonly used communication format, does not support other formats!
11. Press the key and then power up the Bluetooth module to enter at mode, set parameters and query information
12. Can switch host and machine mode from at command
13. The module default baud rate is 9600, the default pairing password is 1234, the default name is HC-05

2. Wiring method:
VCC: Connect the power supply positive
GND: Connecting the cathode
RXD: The receiver, the Bluetooth module receives data from other devices, and the
sending end TXD of the other devices normally
TXD: Send end, Bluetooth module sends data to other equipment; the receiving end
RXD of the other equipments normally
En: To enable the end, need to enter the at mode when 3.3V

Product is not a working device, but only component

Varer i kategorien "Byggesæt og moduler" skal som udgangspunkt betragtes som komponenter til hobbybrug, og ikke et færdigt produkt! - de er dermed ikke CE-mærkede.

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