SH-HC-08 CC2541  Bluetooth 4.0 BLE to UART Transceiver Module with Transparent Serial Port  for arduino Bluetooth Module

SH-HC-08 CC2541 Bluetooth 4.0 BLE to UART Transceiver Module with Transparent Serial Port for arduino Bluetooth Module

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List price:
$ 5.20
$ 5.20

Product Description

please note.

Many users asked how to set the module to the master mode.

in master mode,SH-HC-08 can to find other slave modules, Step is here:

###begin ###




### end ###

if you want to recovery Slave mode

please send:


to recovery default setting.

if you want to Write your own programs base on cc2541 chip . you should buy a CC Debugger to program. .

  • 1,Core module uses SH-HC-08, leads from the module interface includes VCC, GND, TXD, RXD, LED status output pin.
  • 2, led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane
  • 3, 3.3V LDO input voltage 3.6 ~6V, the input voltage to prohibit more than 7V!
  • 4, the interface level 3.3V, can be directly connected the various SCM (51, AVR, PIC, ARM, MSP430, etc.), the 5V MCU also can be connected directly, without MAX232 can not go through the MAX232!
  • 5, open to the effective distance of 10 meters, over 10 meters is also possible, but not of this the quality of the connection of the distance do to ensure
  • 6, after the pair when full-duplex serial port to use, do not need to know anything about the Bluetooth protocol, but only supports 8 data bits, 1 stop bit, no parity communication format, which is the most commonly used communication format does not support other formats .
  • 7, support for Bluetooth connection is not established by the AT command set the baud rate, name, passkey, set parameters are saved after. Bluetooth connection is automatically switched to the pass-through mode
  • 8, compact (3.57cm * 1.52cm), the factory chip production to ensure the placement quality. And sets of transparent heat shrink tubing, dust and beautiful, and anti-static

about SH-HC-08 ,Refer to the following:


SH-HC-08 is a next-generation, class 2, Bluetooth 4.0 ble module. It uses TI CC2541 bluetooth 4.0 ble chip .Support the AT command, the user can according to need to change the baud rate of serial port, name of equipment, matching parameters such as password, use agile. SH-HC-08 is ahighly integrated and sophisticated Bluetooth module, containing all the necessaryelements .Therefore SH-HC-08 provides an ideal solution for developers who want to integrate Bluetooth wireless technology into their designs with limited knowledge of Bluetooth and RF technologies.


  • Bluetooth protocol: Bluetooth Specification V4.0 BLE,
  • open environment and iphone 4 s can achieve 110 meters extreme distance communication.
  • Based on TI CC2541 chipset
  • Bluetooth class 2
  • Industrial level SPP Bluetooth module
  • Integrated chip antenna
  • Size: 26.7 x 13 x 2 mm
  • Industrial temperature range from -40 to +85
  • Support for on-board applications
  • Operating frequency: 2.4 GHz ISM band
  • Modulation method: GFSK (Gaussian Frequency Shift Keying)
  • Acuity: -84 DBM or less BER at 0.1%
  • Transfer rate: Asynchronous: 6 KBPS Synchronous: KBPS
  • Security features: Authentication and encryption
  • Support services: Central and Peripheral UUID FFE0, FFE1
  • Power consumption: automatic sleep mode, the standby current 400 ~ 1.5 mA, transfer 8.5 mA.
  • Power supply: + 3.3 VDC 50 MA

3,Application Fields

  • Cable replacement
  • Point-of-sales systems
  • Barcode readers and pay terminals
  • Telemetry and machine-to-machine devices
  • Logistics and transportation systems
  • Automotive inspection and measurement systems
  • Medical systems
  • Fitness and sports telemetry devices
  • PDAand otherportable terminals
  • PCs and laptop
  • OBD

4,Application Circuit Diagram

5,PINs description

6,Other configuration

Module dormancy set

Is only meaningful in from dormancy mode module, from the mode via a serial port to send “AT + SLEEP”, if no
accident, the module will return “OK+SLEEP” and enter a dormant state.

Wake up the module Settings

Method 1: short press the system button SW1(PIN26).

WAKE up, a serial port will output “+ WAKE OK” string.

7,AT Command

The way to the AT command mode: supply power to the module, it will enter to the AT mode if it needn’t pair.

The interval of command is about 1 second.Default parameter: Baud rate:9600N81, Password:000000

8,use lightblue to test

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