Temperature sensor (-40 degC to 125 degC). 6 x AA battery holder with 2.1mm jack (unassembled). You'll need 6 AA batteries, a CR1220 coin cell, some wire and soldering tools to assemble the project. For more information, including... Add to Cart, Light and temperature data-logger ...
int sensorValue = analogRead(A1); float volt = sensorValue * (5.0 / 1024.0); Serial.print(volt); Serial.println(" V"); delay(1000); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 串口监视器如图所示: 在获得电压值可以进一步计算出当前热敏电阻的阻值大小,利用之前的...
右电机→DO10;右电机→DO11。Arduino Code 向上滑动查看Arduino源代码 #define Samples 10 #define UpperLimit 2.9 #define LowerLimit 1.4 boolean blinking;float Sensor_volt_Left = 0;float Sensor_volt_Right = 0;void setup() { Serial.begin(2000000);pinMode(5, OUTPUT);pinMode(6, OUTPUT)...
begin(9600); } void loop() { // get the ADC value from the temperature sensor int adcVal = analogRead(PIN_LM35); // convert the ADC value to voltage in millivolt float milliVolt = adcVal * (ADC_VREF_mV / ADC_RESOLUTION); // convert the voltage to the temperature in Celsius ...
These pins can read the signal from an analog sensor like the humidity sensor or temperature sensor and convert it into a digital value that can be read by the microprocessor. Main microcontroller Each Arduino board has its own microcontroller (11). You can assume it as the brain of your ...
简单来说,Windows Remote Arduino是一个开源的Windows运行时组件,通过它,我们可以使用蓝牙、USB、WiFi...
In our second look at using the I2C bus we will build our own I2C sensor, one that has four ultrasonic distance sensors. We'll also learn about the protocol used by I2C communications Read More » Programming the Arduino Pro Mini Learn how to use and program the Arduino Pro Mini, using...
int sensorValue = analogRead(A0); //convert to voltage float volt = sensorValue * 5; volt = volt / 1023; //convert to current float current = volt / 185; //convert to Amps current = current / 1000; average_current += current; ...
volt += ((float)analogRead(sensorPin)/1023)*5;} volt = volt/800;复制代码 传感器的输出模拟电压...
for(int i=0;i<10;i++) //Get 10 sample value from the sensor for smooth the value { buf[i]=analogRead(SensorPin); delay(10); } for(int i=0;i<9;i++) //sort the analog from small to large { for(int j=i+1;j<10;j++) { if(buf[i]>buf[j]) { int temp=buf[i]; bu...