Instructions

IDUINO for maker’s life
32 www.openplatform.cc
 Weight: 3g
2 Pinout
Pin
Description
A0
Analog output pin, real-time output voltage
signal(usually useless)
D0
Digital output pin, output Low or High signal
when the human body touch it
+
Power(5V for analog, 3.3V for digital)
G
Ground
1.Example
Here is an example show you how to use this module, connection as below. When you touch
the metal detector via your finger, the LED13 turns on.
********Code begin********
int Led = 13;// define LED Interface
int buttonpin = 3;
int val;// define numeric variables val
void setup ()
{
pinMode (Led, OUTPUT) ;//define LED as output interface
pinMode (buttonpin, INPUT) ;// define metal touch sensor output interface
}