TTP224 Programable Capacative 4 Channel Touch Switch
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TTP224 - [ Ссылка ]


Arduino Test Code:
/***************************************************************
* TPP-244 CAPACATIVE TOUCH SENSOR *
* ARDUINO TEST WITH LEDs & SOUND *
* *
* (C)2023 LEARNELECTRONICS *
* WWW.YOUTUBE.COM/LEARNELECTRONICS *
* ARDUINO0169@GMAIL.COM *
* *
* ALL RIGHTS RESERVED *
* DISTRIBUTION WITH ATRIBUTION *
* IS PERMITTED *
***************************************************************/

//no libraries
//no variables



void setup() {
// put your setup code here, to run once:

pinMode(2,OUTPUT); //set pin 2 to output for led
pinMode(3,OUTPUT); //set pin 3 to output for led
pinMode(4,OUTPUT); // etc
pinMode(5,OUTPUT); // etc
pinMode(7,OUTPUT); // set pin 7 to output for buzzer
pinMode(9,INPUT); // set pin 9 to input from cap sensor out1
pinMode(10,INPUT); // set pin 10 to blahblahblah
pinMode(11,INPUT); // etc
pinMode(12,INPUT); // etc

digitalWrite(2, LOW); //turn off all leds
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);


}

void loop() {
// put your main code here, to run repeatedly:

if (digitalRead(9)) { //if pin 9 is true
digitalWrite(2, HIGH); //turn on 1 led
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
tone(7, 1000, 500); //play a 1KHz tone for .5 sec
}

if (digitalRead(10)) {
digitalWrite(2, HIGH);
digitalWrite(3, HIGH);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
tone(7, 1100, 500);
}

if (digitalRead(11)) {
digitalWrite(2, HIGH);
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, LOW);
tone(7, 1200, 500);
}

if (digitalRead(12)) {
digitalWrite(2, HIGH);
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, HIGH);
tone(7, 1300, 500);
}
else { //if no button is pressed do nothing
digitalWrite(2, LOW);
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
}
}
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One of the symptoms is that it causes fluid retention, mostly in the hands, feet/ankles, and face..
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Gear I use:

Multimeter: OWON B33+ [ Ссылка ]
Oscilloscope: KIPRIM DS1202 [ Ссылка ]
Signal generator: Junctek JDS8080 shorturl.at/ehTZ1
Component Tester: T7 Multifunction [ Ссылка ]
Soldering Station: Sealody ???????

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