Ks0174 keyestudio HM-10 Bluetooth-4.0 V2

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Introduction

keyestudio HM-10 Bluetooth-4.0 V2 adopts TI CC2541 chip, configuration space of 256Kb.
It supports AT command. Users can modify working mode (master/slave), baud rate, device name, paring password, etc.

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Specification

  • Bluetooth protocol: Bluetooth Specification V4.0 BLE
  • No byte limit in serial port Transceiving
  • In open environment, realize 100m ultra-distance communication with iphone4s
  • USB protocol: USB V2.0
  • Working frequency: 2.4GHz ISM band
  • Modulation method: GFSK(Gaussian Frequency Shift Keying)
  • Transmission power: -23dbm, -6dbm, 0dbm, 6dbm, can be modified by AT command.
  • Sensitivity: ≤-84dBm at 0.1% BER
  • Transmission rate: Asynchronous: 6K bytes ; Synchronous: 6k Bytes
  • Security feature: Authentication and encryption
  • Supporting service: Central & Peripheral UUID FFE0, FFE1
  • Power consumption: Auto sleep mode, stand by current 400uA~800uA, 8.5mA during transmission.
  • Power supply: 5V DC
  • Working temperature: –5 to +65 Centigrade


Circuit Connection


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Sample Code

int val; 
int ledpin=13; 
void setup() 
{ 
Serial.begin(9600);
 pinMode(ledpin,OUTPUT); 
} void loop()
{ val=Serial.read(); 
if(val=='a')
 { 
digitalWrite(ledpin,HIGH); 
delay(250); 
digitalWrite(ledpin,LOW); 
delay(250);
 Serial.println("keyestudio");
}
}


Result

Open APP HC-COM, click search device, select the device, device is connected; the LED on the Bluetooth module is on. Enter “a” in HC-COM, click send, Bluetooth APP will display keyestudio. Every time HC-COM sends an “a”, the Pin13 LED on the main board blinks once.
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Resources

  • PDF File:

https://drive.google.com/open?id=1IXjIFG6mqyAJPJ5mj4lPFEKxSVbCrPaz

  • Code:

https://drive.google.com/open?id=1bh5Ze_To6D1pbqrnljZwR2vTioGBTNze

  • APP HC-COM:

https://drive.google.com/open?id=18m7X9dBpNTfcAFRn1rq-3Qg6NH7HuTI3

  • Video:

http://video.keyestudio.com/ks0174/


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