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Switches: Poles, Throws & Relays -- The Learning Circuit 44

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Switches: Poles, Throws & Relays

The Learning Circuit | element14 presents |  Project Videos

 

 

After doing an overview of the various types in an earlier TLC episode, Karen returns to the topic of switches to clear up the confusion involving poles and throws and to talk about how inductors factor into relays.

 

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  • hello mam,

    i wanted to make tail light indicator (turn signal) for a cycle using 16*2 lcd and arduino can you please suggest me which switch can I use ?? I think  SPDT (ON-OFF-ON) type will be feasible; means  if i turn to the left side it will pass signal to arduino and it will display left signal like (<<<------) in blinking manner and if i make it in a neutral position it will show nothing and when i turn it to right side it will show right signal (---->>>>) can these be possible ?and for lcd to make two different figures using ASCII values will it works and where can i get code for lcd ??

    it would be really helpful if you reply to my question ...

    THANK YOU SO MUCH

  • in reply to jainam27

    First identify the lcd you want to use and find alibrary for your MCU plattform:

    1. decide on Plattform (Arduino/Raspberry pi fors example)

    2. search for a display library for that Plattform (Adafruit has tons)
    3. identify supported Screens in that Library

    4. go to Farnell.com / newark.com / element14.com and enter the lcds part number.

    5. Order your parts

    6. learn from the example code provided with the library.

    for example the Liquidcrystal library for arduino support HD44780 compatible displays.

Comment
  • in reply to jainam27

    First identify the lcd you want to use and find alibrary for your MCU plattform:

    1. decide on Plattform (Arduino/Raspberry pi fors example)

    2. search for a display library for that Plattform (Adafruit has tons)
    3. identify supported Screens in that Library

    4. go to Farnell.com / newark.com / element14.com and enter the lcds part number.

    5. Order your parts

    6. learn from the example code provided with the library.

    for example the Liquidcrystal library for arduino support HD44780 compatible displays.

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