10pcs 12V Relay Module Switch Board 1 Channel High Low Level Triger Optocoupler for Arduino

10pcs 12V Relay Module Switch Board 1 Channel High Low Level Triger Optocoupler for Arduino

 
 

 
 
Description:
1-Channel relay module, with photoelectric isolation
The module can be high or low by a jumper setting trigger
With power and relay action indicator
The module Operating voltage 12V
The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A
 
 
Module interface:
DC+: positive power supply (VCC)(12V)
DC-: negative power supply (GND)
IN: The control end, the driving current should be more than 4mA
COM: The control of loop of earth wire
 
 
Code:
int RelayPin = 6;
void setup()
{
pinMode(RelayPin,OUTPUT);
}
void loop()
{
char i;
i = analogRead(5);
if(i > 5)
{
digitalWrite(RelayPin,HIGH);
}
else
{
digitalWrite(RelayPin,LOW);
}
}
 
 
Package Included:
10pcs 1 Channel relay module
 
 
Please kindly make payment asap, so that we can arrange your order promtly. 
 
If you have any problem with payment, please feel free to contact us. 
 
 
We provide tracking number for ALL orders. You can track your parcels. 
 
Normally it arrives in 10-15 business days to US and European countries. 
DHL /Fedex/UPS arrives in 7-8 business days. 
 
 
 
 
1.All products are eligible for 30-days money back guarantee.
 
2.All returns should be guided by us.  Please contact us for details before you return anything.
 
  1. Please don't hasitate to contact us BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
  2. We accept dropshipping, bulk orders and customized products. 
  3. We are selling forArduino module, sensors,  Nextion display and other oled or lcd screens. lidar range finder sensors, servo motors, various electronic components  and for legoled, ect. 
 
 
 
 
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