44 lines
882 B
Plaintext
44 lines
882 B
Plaintext
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/*
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Reading a TTP229 based capacitive touch Keyboard
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to enable 16-Key Mode short TP2 with a 820kOhms (up to 1MOhms)
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Resistor to GROUND or close Jumper 3 on TP229 Module
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hardware required TTP229 Module with
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* SCL connected to PIN8
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* SDD connected to PIN9
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created 1 Mar 2015
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by Thomas Schmitz (thomas.schmitz@tschmitz.com)
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This example code is part of the public domain
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*/
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#define CLOCK_PIN 8
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#define DATA_PIN 9
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void setup()
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{
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Serial.begin(9600);
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pinMode(CLOCK_PIN, OUTPUT);
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pinMode(DATA_PIN, INPUT);
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digitalWrite(CLOCK_PIN, HIGH);
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}
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void loop() {
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for (int button = 1; button < 17; button++)
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{
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//set clock
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digitalWrite(CLOCK_PIN, LOW);
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//read bit
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int databit = digitalRead(DATA_PIN);
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Serial.print(databit);
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//reset clock
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digitalWrite(CLOCK_PIN, HIGH);
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};
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Serial.println();
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}
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