BLE Bluetooth 4.0 CC2540 CC2541 Serial Wireless Module

Description:

Low-power dissipation
BLE CC2541 CC41 Bluetooth 4.0 UART Transceiver Serial Module, used by the U.S. TI's CC2541 chip configuration 256Kb space, follow the Bluetooth specification V4.0 BLE.

Application:

This module is mainly used for short-distance wireless transmission of data in the field. And PC can be easily connected Bluetooth devices, also can communicate between two data. Avoid cumbersome cable connections, direct serial cable replacement

Notice:

1. Avoid use of metal productssurrounding the Bluetooth module to , when the portion of the metal shell, should be let antenna away from the metal part of the section
2. The product of internal metal cables or metal screws, should be kept away from the antenna
3. The bottom of the module try to spread large GND, traces extend to the periphery
4. Use insulating material insulate mount position of the module

Document:

User manual

• Bluetooth BLE/EDR setting tool
• iPhone test APP
• Android test APP
• 4.0 BLE Android Source code
• 4.0 BLE IOS7 Source code

Bluetooth 4.0 BLE Module

• http://imall.iteadstudio.com/im130614001.html
• http://wiki.iteadstudio.com/SERIAL_PORT_BLE_MODULE_%28MASTER/SLAVE%29:_HM-10
• https://github.com/nickswalker/ble-dev-kit/wiki/HM-10-Pinout

#include <SoftwareSerial.h>

SoftwareSerial soft(10, 11); //RX, TX

void setup() {
Serial.begin(9600);
soft.begin(9600);
}

void loop() {
if(Serial.available()){
soft.write(Serial.read());
}
if(soft.available()){
Serial.write(soft.read());
}
}