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DFR0305 Datasheet(PDF) 8 Page - DFROBOT

Part # DFR0305
Description  RoMeo BLE (SKU:DFR0305)
PDF  18 Pages
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Manufacturer  DFROBOT [DFROBOT]
Direct Link  https://www.dfrobot.com/
Logo DFROBOT - DFROBOT

DFR0305 Datasheet(HTML) 8 Page - DFROBOT

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int adc_key_val[5] ={50, 200, 400, 600, 800 };
int NUM_KEYS = 5;
int adc_key_in;
int key=-1;
int oldkey=-1;
void setup(){
pinMode(13, OUTPUT);
//LED13 is used for mesure the button state.
Serial.begin(115200);
}
void loop(){
adc_key_in = analogRead(7);
digitalWrite(13,LOW);
key = get_key(adc_key_in);
//Call the button judging function.
if (key != oldkey){
// Get the button pressed
delay(50);
adc_key_in = analogRead(7);
key = get_key(adc_key_in);
if (key != oldkey)
{
oldkey = key;
if (key >=0){
digitalWrite(13,HIGH);
switch(key){
// Send messages accordingly.
case 0:Serial.println("S1 OK");
break;
case 1:Serial.println("S2 OK");
break;
case 2:Serial.println("S3 OK");
break;
case 3:Serial.println("S4 OK");
break;
case 4:Serial.println("S5 OK");



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