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G25D Precision solid Glass Thermistor by Bowthorpe

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Item Number
G25D
Item Condition
New
Was
£4.50
Price
£2.50 (Save 44%) (inc VAT £3.00)
Quantity Price
10-24 Items £1.85
25-99 Items £1.55
100+ Items £1.35
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  • 2SA1015Y Transistor

    2SA1015Y Transistor

    2SA1015Y PNP TO92 ECB 50V 150mA 80MHz Y gain group. Genuine Toshiba

    Replaces 2SA1015

    Complement to 2SC1815Y

    2SA1015Y
    £1.50
  • 2SA608 Transistor

    2SA608 Transistor

    2SA608 PNP TO92 ECB 40V 100mA 180MHz
    2SA608
    £0.60
  • 2SK30A Transistor

    2SK30A Transistor

    N JFET TO92 SGD 50V 10mA Idss=0.3mA Genuine Toshiba FETs - LIMITED STOCKS

    2SK30A
    £2.75
  • 7806 Fixed Voltage Regulator

    7806 Fixed Voltage Regulator

    6V 1.5A Positive Voltage Regulator TO220.

    7806
    £0.50
  • Temperature and humidity module for Arduino KY-015

    Temperature and humidity module for Arduino KY-015

    What is the KY-015 DHT11 Module?

    The KY015 is a temperature and humidity module for Arduino and other microcontroller projects

     

    KY-015 module has a DHT11digital temperature and humidity sensor and a resistor. The DHT11 uses a thermistor for the temperature sensing and a capacitive humidity sensor along with an internal IC to give a digital output for both temperature and humidity.

     

    Voltage : 3.3 to 5VDC

    Humidity range : 20% to 90% @ 5% RH accuracy

    Temperature range : 0C to 50C at 2C accuracy

    Size 30x15mm

     

    How Can I use the KY-015 Module to monitor temperature and humidity?

    Here is an example project to measure temperature and humidity using the KY015 module and an Arduino Uno

     

    Temperature and Humidity Sensor

    In this project, we will be building a weather station that can measure both temperature and humidity.

    This is what you will need:

    Tools

    Jumper Leads (male to female)

     

    Components

    Arduino Uno x 1 or Arduino Nano x 1

    KY-15 sensor module

     

    Libraries

    DHT Sensor Library

    Adafruit Unified Sensor Library

     

    Step 1

    First you will nedd to assemble the project. Connect everything together using the wiring diagram bellow for reference.

     

     

    Connect the KY-015 sensor module to the Arduino

    KY-015                        Arduino   

    Ground - - - - - - - - - -  Ground
    Vcc - - - - - - - - - - - - - - 3v3
    Data - - - - - - - - - - - - -  A0

    A 10KΩ pull-up resistor is built in to the KY-015

     

    Step 2

    Connect your Arduino to the PC and install the above Libraries. If you don’t know how to do this, CLICK HERE and follow the “Installing Arduino Libraries” section.

     

    Step 3

    We can now create the code to get this all working

    First, delete the code in the IDE window, then include the aforementioned libraries:  

    #include "DHT.h"

    This bit of code imports the DHT library and links it to the sketch.

    #define DHTPIN A0
    #define DHTTYPE DHT11

    This bit of code defines which pin is KY015 connected to and sets the type of sensor (KY015 uses DHT11)

    DHT dht(DHTPIN, DHTTYPE);

    This bit of code initialises the sensor

    void setup() {
      Serial.begin(115200);
      Serial.println(F("DHT11 test!"));
      dht.begin();
    }

    The setup bit of code initialises serial output with baud rate of 115200 and prints DHT11 test! In the console

    void loop() {
       delay(2000);

    This bit makes the Arduino wait 2 seconds between measurements

      float h = dht.readHumidity();

    Read humidity from the sensor

      float t = dht.readTemperature();
    Read temperature from the sensor
      Serial.print(F("Humidity: "));
      Serial.print(h);
      Serial.print(F("%  Temperature: "));
      Serial.print(t);
      Serial.println(F("°C "));
    }

    Print the latest reading in serial monitor

     

    Finished Code:

    #include "DHT.h"
    
    #define DHTPIN A0 // Digital pin connected to the DHT sensor
    #define DHTTYPE DHT11 // DHT 11
    DHT dht(DHTPIN, DHTTYPE);
    
    void setup() {
      Serial.begin(115200);
      Serial.println(F("DHT11 test!"));
    
      dht.begin();
    }
    
    void loop() {
      delay(2000);
    
      float h = dht.readHumidity();
      float t = dht.readTemperature();
    
      Serial.print(F("Humidity: "));
      Serial.print(h);
      Serial.print(F("%  Temperature: "));
      Serial.print(t);
      Serial.println(F("°C "));
    }

     

    KY015
    £2.50
  • Axial Lamp 27mm Clear Glass 12V 150mA

    Axial Lamp 27mm Clear Glass 12V 150mA

    Axial Lamp (wires both ends) with bare wires 12V 150mA. Dims: 20 x 4mm. Leads 27mm long

    LAX12150
    £1.50

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Bowthorpe G25D Precision Semicondutor Thermistor Bead in a Solid Glass Pellet.

Connections being by means of twin cunife wires.

For use in accurate temperature measurement, control or compensation, flow measurement and similar applications.
 
Resistance at 20C 200K ohms
Resistance at 25C 156K ohms
Minimum Resistance 810 ohms
Tolerance 5%
Thermal Time Constant 19s
Dissipation Constant 1.3
Pmax at 20°C 200mW

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