The seesaw firmware that ships with the ATtinyxxx breakouts includes analog capabilities on specific pins. This example reads the analog value of a pin.
Follow the steps on the Arduino page to get set up.
Analog Pins
The ATtiny817 breakout with seesaw firmware provides analog on the following pins:
- 0-3, 6, 7, 18-20
The ATtiny816 and ATtiny1616 breakout with seesaw firmware provides analog on the following pins:
- 0-5, 14-16
Open up File -> Examples -> Adafruit Seesaw -> analog -> analogRead and upload to your Arduino wired up to the breakout.
/*
* This example shows how read the ADC on a seesaw.
* The default ADC pins on the SAMD09 Breakout are 2, 3, and 4.
*/
#include "Adafruit_seesaw.h"
Adafruit_seesaw ss;
// on SAMD09, analog in can be 2, 3, or 4
// on Attinyxy7, analog in can be 0-3, 6, 7, 18-20
// on Attinyxy6, analog in can be 0-5, 14-16
#define ANALOGIN 2
void setup() {
Serial.begin(115200);
while (!Serial) delay(10); // wait until serial port is opened
if(!ss.begin()){
Serial.println(F("seesaw not found!"));
while(1) delay(10);
}
Serial.println(F("seesaw started OK!"));
}
void loop() {
Serial.println(ss.analogRead(ANALOGIN));
delay(50);
}
Once you've successfully loaded the sketch onto your board, open the Serial Monitor (Tools->Serial Monitor). Your output should look something like the following.
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