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Wemos D1 Mini v3 IoT WiFi & Bluetooth Microcontroller Prototyping Board

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Item Condition
£6.50 (inc VAT £7.80)



  • 8 Pin Standard IC Socket

    8 Pin Standard IC Socket

    IC Socket Standard 8 pin

  • 1N5347B Zener Diode

    1N5347B Zener Diode

    Zener Diode 5W 5% Tolerance Wire Ended 10V
  • Quality Helping Hands with Glass Lens & Nickel Plating

    Quality Helping Hands with Glass Lens & Nickel Plating

    Helping Hands

    A useful service-aid for holding boards and equiment, whist performing intricate jobs and inspections.
    Many other useful applications.
    Real Glass Lens (x3 Magnification) with strong metal stand and attachments.
    Versatile adjustments and joints.

  • 32 Pin Turned pin 0.1" Strip

    32 Pin Turned pin 0.1" Strip

    Turned Pin Socket. Copper Alloy contacts 32 pin Single in Line.2.54mm spacing

    Snap-off at any point. Can be used for transistor & other component sockets

  • 9mm-Self Adhesive PCB Pillars in Pack of 10

    9mm-Self Adhesive PCB Pillars in Pack of 10

    Pack of 10 Self Adhesive PCB Pillars in Nylon. 9mm length with 3M tape on base and snap-lock PCB fitting.

    For mounting PCBs without drilling.

  • Spare Sponge for Soldering Iron Stand

    Spare Sponge for Soldering Iron Stand

    Sponge (keep wet).for Soldering Iron Stand

    Fits many models inc our SISS

  • 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

    Arduino Quick Start Guide


    Installing the Arduino IDE

    1. Go to 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.
  • 1N4007 Diode

    1N4007 Diode

    Diode, Wire Ended Rectifier 1A 1000V

    Replacement for:







  • Aluminium Alloy Desoldering Pump

    Aluminium Alloy Desoldering Pump

    Aluminium Alloy Desoldering Pump

    With Heat-Resistant Silicone coated PTFE Nose. Spare Nose see DSN2


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2.4GHz WiFi NodeMcu IoT Development board for Arduino and other IOT projects

This module is based on the ESP-8266EX chip, which provides WiFi and Bluetooth connectivity for your IoT projects. Can be used with various other microcontrollers or stand-alone.

11 Digital I/O pins (all pins support interrupt, PWM, I2C, one-wire except D0)
1 Analog input (3.2V Max)
Micro USB connector
Compatible with MicroPython, Arduino, nodemcu or can be used stand-alone