RDIoT Demo

QRD1114 Reflective Object Sensor (QRD1114) [S210]

https://www.youtube.com/watch?v=JFISVS92_Fs

*GitHub : https://github.com/rdiot/rdiot-s210.git

* Specs

Derate power dissipation linearly 1.33 mW/°C above 25°C.

RMA flux is recommended.

Methanol or isopropyl alcohols are recommended as cleaning agents.

Soldering iron 1/16” (1.6mm) from housing.

As long as leads are not under any spring tension.

D is the distance from the sensor face to the reflective surface.

Cross talk (ICX) is the collector current measured with the

indicator current on the input diode and with no reflective surface.

Measured using an Eastman Kodak neutral white test card with 90% diffused reflecting as a reflective surface.

* Content

- Connect

- : L GND, R P220 - 5V

- : L P10K - 5V

           --- Signal ---> D2

Speker : Ged -----> D3

         : Black -----> GND

- DataSheet : https://www.sparkfun.com/datasheets/BOT/QRD1114.pdf

Temperature and humidity DHT11 sensor module (KY-015) [S008]

* Specs

It Can detect ambient humidity and temperature

Humidity measuring range:20% -90 %RH, Humidity

measurement tolerance:+ /-5%

Temperature measurement range:0 Degree-50

Degree temperature measurement tolerance:+/ -2 Degree

Resolution: humidity(1%RH),temperature(1 degree)

Stability: <±1%RH/year

Storage temperature:10-40 degree,humidity:below 60%RH

Operating Voltage:3.3V-5V

Output Type: Digital Output

With fixed bolt hole for easy installation

Small size, PCB Size:3.2cm*1.4cm

Power indicator ( red )

Weight is about 8g 

* Content

- DataSheet : http://www.ram-e-shop.com/ds/general/KY-015.pdf

- Library : http://deneb21.tistory.com/attachment/cfile24.uf@220A6C3755DA9E322E7FED.zip

- Connect

S - D4

5V - 5V

- - GND

- Key Code

#include <DHT11.h>

DHT11 dht11(pin); 

int err;

float temp, humi;

if((err=dht11.read(humi, temp))==0)

{

    lcd.setCursor(0,1);

    lcd.print("temperature=" + (String)temp + "'C");

    lcd.setCursor(0,2);

    lcd.print("humidity=" + (String)humi + "'F");

}

else

{

    lcd.setCursor(0,3);

    lcd.print("err=" + (String)err); 

}

delay(DHT11_RETRY_DELAY);  

Multifunctional Digital Temperature Sensor Module LM393 (KY-028) [S021] 

https://www.youtube.com/watch?v=dIdtgqyE4Dk

*GitHub : https://github.com/rdiot/rdiot-s021.git

* Specs

Material: FR4

Length: 43mm

Width: 15mm

Height: 14mm

Weight: 2.9g

Operating Voltage: 5V DC

* Content

- Connect

A0 - A0

G - GND

+ - 5V

D0 - X

- Key Code

double Thermistor(int RawADC) {

  double Temp;

  Temp = log(10000.0 * ((1024.0/RawADC-1)));

  Temp = 1 / (0.001129148 + (0.000234125 + (0.0000000876741 * Temp * Temp)) * Temp);

  Temp = Temp - 273.15;

  return Temp;

}