72 lines
2.1 KiB
Arduino
72 lines
2.1 KiB
Arduino
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#include <Adafruit_DS3502.h>
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#include <Adafruit_ADS1015.h>
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Adafruit_DS3502 ds3502 = Adafruit_DS3502();
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Adafruit_ADS1115 ads; // Construct an ads1015 at the default address: 0x48
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/* For this example, make the following connections:
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* DS3502 RH to 5V
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* DS3502 RL to GND
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* DS3502 RW to the pin specified by WIPER_VALUE_PIN
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*/
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void setup() {
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Serial.begin(115200);
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// Wait until serial port is opened
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while (!Serial) { delay(1); }
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Serial.println("Adafruit DS3502 Test");
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if (!ds3502.begin()) {
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Serial.println("Couldn't find DS3502 chip");
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while (1);
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}
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Serial.println("Found DS3502 chip");
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// ads.setGain(GAIN_TWOTHIRDS); // 2/3x gain +/- 6.144V 1 bit = 3mV 0.1875mV (default)
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// ads.setGain(GAIN_ONE); // 1x gain +/- 4.096V 1 bit = 2mV 0.125mV
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// ads.setGain(GAIN_TWO); // 2x gain +/- 2.048V 1 bit = 1mV 0.0625mV
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// ads.setGain(GAIN_FOUR); // 4x gain +/- 1.024V 1 bit = 0.5mV 0.03125mV
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// ads.setGain(GAIN_EIGHT); // 8x gain +/- 0.512V 1 bit = 0.25mV 0.015625mV
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// ads.setGain(GAIN_SIXTEEN); // 16x gain +/- 0.256V 1 bit = 0.125mV 0.0078125mV
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ads.begin();
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}
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void loop() {
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Serial.print("Wiper voltage with wiper set to 0: ");
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ds3502.setWiper(0);
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float wiper_value = ads.readADC_SingleEnded(0);
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// wiper_value *= 5.0;
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// wiper_value /= 1024;
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wiper_value *= 0.1875;
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Serial.print(wiper_value);
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Serial.println(" mV");
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Serial.println();
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delay(1000);
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Serial.print("Wiper voltage with wiper set to 63: ");
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ds3502.setWiper(63);
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wiper_value = ads.readADC_SingleEnded(0);
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// wiper_value *= 5.0;
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// wiper_value /= 32000;
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wiper_value *= 0.1875;
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Serial.print(wiper_value);
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Serial.println(" mV");
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Serial.println();
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delay(1000);
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Serial.print("Wiper voltage with wiper set to 127: ");
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ds3502.setWiper(127);
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wiper_value = ads.readADC_SingleEnded(0);
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// wiper_value *= 5.0;
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// wiper_value /= 1024;
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wiper_value *= 0.1875;
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Serial.print(wiper_value);
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Serial.println(" mV");
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Serial.println();
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delay(1000);
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}
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