DFR0004 datasheet(5/13 Pages) DFROBOT

Part #	DFR0004

Description	DFRduino Romeo‐All in one Controller V1.1(SKU:DFR0004)

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	DFROBOT [DFROBOT]

Direct Link	https://www.dfrobot.com/

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5 / 13 page

char start_msg[15] = {

"Start loop "};

int

adc_key_val[5] ={

30, 150, 360, 535, 760 };

int NUM_KEYS = 5;

int adc_key_in;

int key=-1;

int oldkey=-1;

void setup() {

pinMode(13, OUTPUT);

//we'll use the debug LED to output a heartbeat

Serial.begin(9600);

/* Print that we made it here */

Serial.println(start_msg);

}

void loop()

{

adc_key_in = analogRead(7);

// read the value from the sensor

digitalWrite(13, HIGH);

/* get the key */

key = get_key(adc_key_in);

// convert into key press

if (key != oldkey) {

// if keypress is detected

delay(50);

// wait for debounce time

adc_key_in = analogRead(7);

// read the value from the sensor

key = get_key(adc_key_in);

// convert into key press

if (key != oldkey) {

oldkey = key;

if (key >=0){

Serial.println(adc_key_in, DEC);

Serial.println(msgs[key]);

}

DFR0004 Datasheet(PDF) 5 Page - DFROBOT