DTMF Audio Remote Relay Kit MT8870 Telefon Hangdekóder vezérlés DC 5V 12V 24V 48V Feszültség_Arduino DUE UNO MEGA Raspberry pi
DTMF Audio Remote Relay Kit MT8870 Phone Voice Decoder Control DC 5V 12V 24V 48V Voltage for_Arduino DUE UNO MEGA Raspberry pi
Product Name:  DTMF Audio Remote Relay Kit MT8870 Phone Voice Decoder Control DC 5V 12V 24V 48V Voltage for_Ardiuno DUE UNO MEGA Raspberry pi
 
Module No.:  CE005
 
Package:(Does not include UNO/MEGA2560 Board):
1 PCS  DC5V 4 Channel UNO/MEGA2560 Relay Board ;
1 PCS MT8870 DTMF decoder module;
1 PCS Male to Male audio wire (3.5mm jack );
 
Description:
 
DC5V 4CH Ardiuno Relay Board:
 
5V 4-Channel Relay interface board,and each one needs 15-20mA Driver Current
 
Relay can Control DC 1-48V Circuit OR AC85-265V Circuit
 
Indication LED's for Relay output status
 
Size : 75mm*55mm*19.3mm
 
MT8870 DTMF decoder module:
 
Onboard Complex Frequency Decoder IC MT8870DS
DC Power Supply Voltage:4.5V-5.5V(Typical: 5V)
Operating Temperature :-40- 85 °C
IO Drive : Current Maximum 10mA.
PCB Size : 25.4x25.4MM
For more  decoder module  information, please click here
 
 
 
 uno/mega2560 Code fragment:
After purchase, please contact me for complete code!
//*******************************************//
#include
 
int STD = A0;
int Q1 = A1;
int Q2 = A2;
int Q3 = A3;
int Q4 = A4;
 
int CH1 = 2;
int CH2 = 3;
int CH3 = 4;
int CH4 = 5;
 
....
 
//Check once every 5 ms
void dtmf_decode(void)
{
 
....
 
}
 
void setup()
{
.....
}
 
void loop()
{
 
//Complete the decoding
 
if(Decod_finished)
{
Decod_finished = 0;
 
switch(Q_dat){
case 1 : Serial.print(" Activate : Channel 1 \n" ); digitalWrite(CH1, LOW);delay(delay_time);digitalWrite(CH1, HIGH); break;
case 2 : Serial.print(" Activate : Channel 2 \n" ); digitalWrite(CH2, LOW);delay(delay_time);digitalWrite(CH2, HIGH);break;
case 3 : Serial.print(" Activate : Channel 3 \n" ); digitalWrite(CH3, LOW);delay(delay_time);digitalWrite(CH3, HIGH); break;
case 4 : Serial.print(" Activate : Channel 4 \n" ); digitalWrite(CH4, LOW); delay(delay_time);digitalWrite(CH4, HIGH);break;
default : Serial.print("Invalid channel \n" ); break;
}
 
.....
 
//****************************************************************************//

 
 
 
 
 
 
 
 
 
 
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