// convert ADC value to voltage float Vin = 5 * sensorValue / 1023;// print out the value you read:Serial.println(Vin);delay(1); // delay in between reads for stability } 逐行分析，这段代码有如下作用：Serial.begin(9600);指示电路板与电脑之间开始9600比特每秒的串行通信 float sensorV...
}voidloop() {inttempValue = analogRead(tempPin); //ReadtemperaturevaluefromLM35 sensorfloattemperature = (tempValue *0.48828125); // Convert analog readingtoCelsiusSerial.print("Temperature: ");Serial.print(temperature);Serial.println(" °C"); //Checktemperatureandcontrol the relayif(temperature >...
uint8_tread(uint8_tusec=55); floatgetHumidity(); floatgetTemperature(boolisFahrenheit=false); floatconvertCtoK(floatc); floatconvertCtoF(floatc); floatconvertFtoC(floatf); doubledewPoint(doublecelsius,doublehumidity); doubledewPointFast(doublecelsius,doublehumidity); floatcomputeHeatIndex(floattemper...
floattemp_data=25.0; floatK_Value=3347.19; floatGet_zhuodu_value() { intsensorValue=analogRead(pin_zhuodu);//read theinputon analog pin0: floatTU=sensorValue*(5.0/1024.0);//Convert the analog reading (which goesfrom0-1023) to a voltage (0-5V): TU_calibration=-0.0192*(temp_data-25)+...
int Speed= ((float)RPM * 60.0 * (2.0 * 3.14 * radius)/1000.0); // RPM in 60 minute, diameter of tyre (2pi r) r is radius, 1000 to convert in km int Steps=map(Speed, minSpeed,maxSpeed,minSteps,maxSteps); if(flag1)
drawNumber(long long_num, int32_t poX, int32_t poY) //draw a long integerdrawNumber(long long_num, int32_t poX, int32_t poY, uint8_t font)drawFloat(float floatNumber, uint8_t dp, int32_t poX, int32_t poY) //drawFloat, prints 7 non zero digits maximumdrawFloat(float float...
float convertCtoF(float); float convertFtoC(float); float computeHeatIndex(float temperature, float percentHumidity, bool isFahrenheit=true); float readHumidity(bool force=false); boolean read(bool force=false); private: uint8_t data[5]; uint8_t _pin, _type; #ifdef __AVR // Use direct...
} floatgetVoltage(intpin) { return(analogRead(pin) * 0.004882814); // This equation converts the 0 to 1023 value that analogRead() // returns, into a 0.0 to 5.0 value that is the true voltage // being read at that pin. }
// convert ADC value to voltage float Vin = 5 * sensorValue / 1023; // print out the value you read: Serial.println(Vin); delay(1); // delay in between reads for stability } 逐行分析,这段代码有如下作用: Serial.begin(9600); ...
num = int(string) # convert the unicode string to an int print(num) ser.close() 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 运行potentiometer.py脚本并来回旋转蓝色小电位计。 您应该看到终端下方的数字。当您来回拨动电位器时,数字会发生变化。