Chat

How can I help you?

Files

Schematic

Code

Layout

3D View

Resistance

220 Ω

Resistance

220 Ω

Resistance

220 Ω

#include < OneWire.h >
    #include < DallasTemperature.h >
    // Data wire is connected to GPIO 4 (D2 on NodeMCU)
    #define ONE_WIRE_BUS 4
// Setup a oneWire instance
OneWire oneWire(ONE_WIRE_BUS);
// Pass oneWire reference to DallasTemperature library
DallasTemperature sensors(& oneWire);
void setup() {
    Serial.begin(115200);
    sensors.begin();
    Serial.println("DS18B20 Temperature Sensor Ready");
}
void loop() {
    sensors.requestTemperatures();  // Request temperature from the sensor
  float tempC = sensors.getTempCByIndex(0);  // Get temperature in Celsius
    Serial.print("Temperature: ");
    Serial.print(tempC);
    Serial.println(" °C");
    delay(2000);  // Wait 2 seconds before next read
}

Line: 2:12: Cannot find name 'OneWire'.Line: 3:16: Cannot find name 'DallasTemperature'.Line: 6:13: Cannot find name 'ONE_WIRE_BUS'.Line: 9:1: Cannot find name 'OneWire'.Line: 9:9: Cannot find name 'oneWire'.Line: 9:17: Cannot find name 'ONE_WIRE_BUS'.Line: 12:1: Cannot find name 'DallasTemperature'.Line: 12:19: Cannot find name 'sensors'.Line: 12:29: Cannot find name 'oneWire'.Line: 14:6: Cannot find name 'setup'.Line: 15:5: Cannot find name 'Serial'.Line: 16:5: Cannot find name 'sensors'.Line: 17:5: Cannot find name 'Serial'.Line: 20:6: Cannot find name 'loop'.Line: 21:5: Cannot find name 'sensors'.Line: 22:3: Cannot find name 'float'.Line: 22:9: Cannot find name 'tempC'.Line: 22:17: Cannot find name 'sensors'.Line: 24:5: Cannot find name 'Serial'.Line: 25:5: Cannot find name 'Serial'.Line: 25:18: Cannot find name 'tempC'.Line: 26:5: Cannot find name 'Serial'.Line: 28:5: Cannot find name 'delay'.Line: 6:13: ';' expected.Line: 9:1: Unexpected keyword or identifier.Line: 12:1: Unexpected keyword or identifier.Line: 12:27: Expression expected.Line: 14:14: ';' expected.Line: 20:13: ';' expected.Line: 22:3: Unexpected keyword or identifier.

Particular Olive Electromagnetic Shrinking Machine