Project 5, photoresistor nightlight

2026-06-04 13:22:25 -04:00
parent 9321b39891
commit 1c294cfb94
6 changed files with 122 additions and 0 deletions
--- a/05-photoresistors/05-photoresistors.ino
+++ b/05-photoresistors/05-photoresistors.ino
@@ -0,0 +1,19 @@
+#define PIN_PHOTORESISTOR      1
+#define PIN_LED                14
+#define ADC_MAX                (1 << 12)
+#define ADC_VOLTAGE            3300
+
+
+void setup()
+{
+	Serial.begin(115200);
+	ledcAttach(PIN_LED, 1000, 12);
+}
+
+void loop()
+{
+	int adcvalue = analogRead(PIN_PHOTORESISTOR);
+	int adcvoltage = (ADC_MAX / ADC_VOLTAGE) * adcvalue;
+	Serial.printf("ADC Value: %d Voltage (int): %d\n", adcvalue, adcvoltage);
+	ledcWrite(PIN_LED, adcvoltage);
+}