Last active
October 16, 2023 10:05
-
-
Save kakopappa/175f772413b433241acaca6234257cf2 to your computer and use it in GitHub Desktop.
Sinric Pro Water Tank (Water Level Monitor) using ultrasonic sensor : https://help.sinric.pro/pages/tutorials/custom-device-types/ultrasonic-sensor/HC-SR04.html
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#if defined(ESP8266) | |
const int trigPin = 12; | |
const int echoPin = 14; | |
#elif defined(ESP32) | |
const int trigPin = 5; | |
const int echoPin = 18; | |
#elif defined(ARDUINO_ARCH_RP2040) | |
const int trigPin = 15; | |
const int echoPin = 14; | |
#endif | |
long duration; | |
float distanceInCm; | |
int waterLevelAsPer; | |
const int EMPTY_TANK_HEIGHT = 150; // Height when the tank is empty | |
const int FULL_TANK_HEIGHT = 25; // Height when the tank is full | |
void setup() { | |
Serial.begin(115200); | |
pinMode(trigPin, OUTPUT); | |
pinMode(echoPin, INPUT); | |
} | |
void loop() { | |
// Clears the trigPin | |
digitalWrite(trigPin, LOW); | |
delayMicroseconds(2); | |
digitalWrite(trigPin, HIGH); | |
delayMicroseconds(10); | |
digitalWrite(trigPin, LOW); | |
duration = pulseIn(echoPin, HIGH); // Take a measurement | |
distanceInCm = duration/29 / 2; // Convert to CM | |
waterLevelAsPer = map((int)distanceInCm ,EMPTY_TANK_HEIGHT, FULL_TANK_HEIGHT, 0, 100); // Convert to precentage value based on tank height | |
// In inches ? | |
// distanceInInches = duration / 74 / 2; | |
Serial.print("As a precentage: "); | |
Serial.println(waterLevelAsPer); | |
delay(1000); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment