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Tiny RTC - Arduino real time clock module

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Item Number
RTC1
Item Condition
New
Price
£2.50 (inc VAT £3.00)

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  • 0.01uF 63V Ceramic Plate/Disc Capacitor

    0.01uF 63V Ceramic Plate/Disc Capacitor

    Ceramic Disc 63VDC 5% 2.5mm spacing 10nF (0.01uF)

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  • Arduino Nano Revision 3 Development Board

    Arduino Nano Revision 3 Development Board

    Arduino compatible board with the ATMEGA328P microcontroller

    The Arduino Nano is a small, breadboard-friendly version of the Arduino UNO.

    It has the same functionality as the Arduino Duemilanove but at a much smaller size.

    The Arduino Nano is well suited for rapid prototyping and as a great general-purpose microcontroller. 

    Since Arduino is open source hardware & software, anyone can copy the Arduino Nano boards exactly, even using original parts.

    We are therefore able to supply this Arduino identical compatible board at a fraction of the cost of the original.

    Key Features

    Variable Input Voltage (7-12V)

    Indicator LEDs for immediate feedback

    Compact Form Factor (45mm x 19mm)

    14 Digital I/O pins

    8 Analog I/O pins

    16 MHz clock speed

    32kb flash memory (of which 2kb is used by the bootloader)

     

     

    Software can be downloaded from the Arduino website here

    https://www.arduino.cc/en/Main/Software

    Arduino Quick Start Guide

     

    Installing the Arduino IDE

    1. Go to arduino.cc/en/software and download the appropriate version for your system.
    2. Run the installation file (usually called arduino-1.xx.xx-windows.exe).
    3. Follow the on-screen instructions to complete the installation process.
       

    Connecting the Arduino to a computer

    1. Connect the Arduino to your computer using the USB cable provided.
    2. Open the Arduino IDE and click on “Tools”. When prompted by windows firewall click allow.
    3. Move the cursor over “Board” and select your Arduino board from the list (e.g. “Arduino Nano”).
    4. Click on “Tools” again and move the cursor over “Port”. Now, select the USB port where the Arduino is plugged in. If you have multiple devices under “Ports” and you are unsure which one is the Arduino, try selecting one of the ports and then click on “Tools” and select “Get board info”. If the Arduino port is selected, a small window displaying the board information will appear, otherwise keep trying different ports until the window appears.
    5. To check if the Arduino is connected correctly, click on the “Upload” button at the top of the screen (button with arrow pointing to the right) and wait for the empty sketch to upload. If no errors come up, you’re all set up and ready to go!
       

    Installing Arduino Libraries

    Method 1

    1. Open the Arduino IDE and click on “Tools” at the top of the screen.
    2. Click on “Manage Libraries”.
    3. Type in the name of the library you wish to install (e.g. “CCS811”) and press enter.
    4. The Library Manager will now display a number of relevant libraries. Hover the cursor over the required library and click “Install”. When the installation has finished, close the Library Manager window.


    Method 2

    1. Download the library you wish to install.
    2. Extract the folder from the zip file and paste it in the following location:

             Windows XP and above: C:\Users\%username%\Documents\Arduino\Libraries

             Mac: /Users/<username>/Documents/Arduino/libraries/

             Linux: /usr/share/arduino/libraries/ (you must delete the dashes in the folder name, if there are any)

    1. Restart the Arduino IDE.
    AUN3
    £8.75
  • LCD screen 16 characters 2 line Arduino compatible

    LCD screen 16 characters 2 line Arduino compatible

    Arduino compatible Backlit LCD screen with 2 lines of 16 Characters (32 total)

    This LCD Screen is a great addition to many Arduino and other projects.
    The blue lit screen is blue has white characters and a backlight.
     
    Specification:
     
    Display Format:  16 Characters x 2 Lines (32 total)
    Character Size: 3.07mm(W) x 6.56mm(H)
    Backlight: Yes
    Dimensions: 80mm(W) x 35mm(H) x 11mm(T)
     
    LCD1602B
    £4.50
  • 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
  • Waterproof Digital Temperature Probe for Arduino DS18B20

    Waterproof Digital Temperature Probe for Arduino DS18B20

    Waterproof digital temperature probe for Arduino and other microcontroller projects

     
    This probe has a DS18B20 digital temperature IC inside a waterproof probe. It will give you a digital output that will vary depending on temperature.
     
    Voltage : 3.3 to 5VDC
    Temperature : -55C to 110C
    Length : 1M

    Example project: 
     

    DS18B20 High Accuracy Digital Thermometer.

     
    This DS18B20 digital thermometer is extremely useful as a tool for measuring temperature for all kinds of different applications. It has a very wide temperature range (-55°C to 110°C) and high accuracy, especially at temperatures between -10°C to 85°C.  In this project, we will be using an Arduino to read the temperature from the probe and display it on an LCD screen equipped with a KY1602 module.
     
    Here’s what you will need: 
     
    Tools
     
    Components

    Libraries

    Step 1
    First, you will need to connect the probe to the breadboard. This should be easy to do since the probe comes with pre-tinned leads. Simply push the ends of the leads into the breadboard sockets and use a 4.6kΩ pull-up resistor on the data pin as shown in fig.1. Now, you will need to connect the Arduino to the breadboard. Use the jumper leads to connect the male to male jumper leads to connect the power, ground and digital pin to the breadboard. 
     
    Step 2
    Solder the KY1602 module onto the 1602 LCD screen. Pin 1 on the KY1602 module is the one closest to the 4 data and power pins. Once soldered, you can now connect the LCD display to the Arduino as shown in fig.1:
     

    Fig. 1




    Step 3
    Connect the Arduino to your computer and install the libraries mentioned above. If you need help installing the libraries, CLICK HERE for a quick tutorial.
     
    Step 4
    You can now start writing the code to get this all working: 


    First, clear the IDE window. Then, include the aforementioned libraries:
    
    #include <DS18B20.h>
    #include <LCD_I2C.h>
    
    


    Initialize the KY1602 I2C LCD driver (address 0x27 in this example) and specify the LCD display (in this case 16 characters, 2 rows):
     
    DS18B20 ds(12);
    LCD_I2C lcd(0x27, 16, 2);
     
    


    Initialize the LCD display and turn on the LCD backlight. This is done inside the void setup function:
     
    void setup() {
    lcd.begin();
    lcd.backlight();
    }
     
    


    Start a while loop. This is done inside the void loop function:
     
    void loop() {
    while (ds.selectNext()) {
     
    


    Set the cursor to the first character and display the temperature in ºF and ºC:
     
    lcd.setCursor(0,0);
      lcd.print(ds.getTempC());
      lcd.print((char)223);
      lcd.print("C");
      lcd.setCursor(0,1);
      lcd.print(ds.getTempF());
      lcd.print((char)223);
      lcd.print("F");
      }
     
    


    Choose how often to update the screen (in this case, 800ms):
     
      delay(800);
    }
     
    


    The completed code should look like this:
     
    #include <DS18B20.h>
    #include <LCD_I2C.h>
    
    DS18B20 ds(12);
    LCD_I2C lcd(0x27, 16, 2);
    
    void setup() {
      lcd.begin();
      lcd.backlight();
    }
    
    void loop() {
      while (ds.selectNext()) {
      lcd.setCursor(0,0);
      lcd.print(ds.getTempC());
      lcd.print((char)223);
      lcd.print("C");
      lcd.setCursor(0,1);
      lcd.print(ds.getTempF());
      lcd.print((char)223);
      lcd.print("F");
      }
      delay(800);
    }
    
     
    
    Step 4
    Press the “Upload” button at the top (button with tick, located below “File”). The IDE will now compile the code and upload it to your Arduino (this will take a few moments).
     
    Step 5
    Done! If the connections are correct and there are no errors with the code, the LCD should display the temperature. 
     
    DS18B20
    £3.50
  • I2C Parallel to Serial Converter for Arduino Type LCD Screens

    I2C Parallel to Serial Converter for Arduino Type LCD Screens

    I2C Paralel to 2 Pin Serial converter for Arduino type LCD screens

     
    This converter can be soldered directly to a standard 1602 LCD screen to convert it to the more convenient 2 pin serial (I2C) used in many Arduino projects.
    There is a removable jumper to allow connection with both backlit and non backlit screens.
    A potentiometer can adjust the brightness & contrast of the LCD.
     
     
    Connections
    GND = Ground
    VCC =  5V
    SDA = Serial Data Line
    SCL = Serial Clock Line 
     
     
    KY1602
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    EPS8266 WiFi Module 2.4GHz for Arduino with Serial Connection ESP-01

    2.4GHz Serial WiFi Module for Arduino and other IOT or Microcontroller projects

    The popular ESP8266 microchip with full function WiFi plus it's own microcontroller.
    Can be used to add WiFi to your microcontroller project or programmed directly from the Arduino IDE to work independently.
    It should NOT be powered from 5V or be directly connected to the digital connections on an Arduino item, as this can damage the module.
    Supplied with a pre-soldered 8 way header.
     
    Voltage : 1.7-3.5VDC
    Frequency : 2.4GHz
    Wireless Standard : 802.11 b/g/n
    Dimensions : 14mm x 25mm
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    Geared Motor with Wheel and Tyre

     
    This is a 3-9 VDC Motor with a buiIt in gearbox to give speeds of 90-300 RPM (under no load conditions). It is supplied with a 65mm wheel and tyre making it ideal for robot type car projects and more.  
     
    Voltage : 3-9VDC
    RPM : 90 - 300 no load
    Max Current : 200mA 
    Wheel Diameter : 65mm
    Shaft Length : 3.6mm
     
    GM65
    £3.50

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Tiny RTC module  

This module uses the DS1307 chip, which can be used for keeping time in a very wide variety of projects. For example it can be used to add time stamps to sensor readings, display the time accurately or keep track of time even when there is no power supplied (although it will require a rechargeable CR2032 battery for this). The Tiny RTC supports the I2C protocol, which makes it very easy to interface with many microcontrollers. 
 
Specs: 
VCC:  5V DC
Battery (optional): CR2032
Power consumption: <500nA (in Battery Backup Mode)
RAM: 56 Byte, non-volatile
Memory: 32kb EEPROM
Dimensions: 27mm x 28mm x 8.4mm
 

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