Wire connector types

Hi,

I need a few wire connectors that has the following properties,

  1. Long.
  2. 12 or more pins.
  3. Be able to easily plug and unplug (like a computer cable).

What kind of connectors can I use for this? What are they called? Maybe something on ebay?

You can buy cables and connectors everywhere.
Can you tell us what it is for ?
If you have for example high power motor wires and also sensor wires, you better use two seperate cables.
Or if you want to have 12 sensors connected, you could use another Arduino to collect the data and transmit it over a smaller cable.

Please specify the length (10 meters or 1000 meters makes a difference), the current, the kind of signals.

Thank you for your reply. It's for an arduino controlled aquarium controller. I plan to have the arduino and relays inside the aquarium stand. An LCD and buttons to be in a project box stuck to the side of the aquarium. And various sensors going into the tank. So I need cables that are long, and LCD itself has I think about 12 wires. Also, I need to be able to unplug everything easily if I need to modify something. I want to make it look clean too.

Look into Serial interface LCD, cut down on the number of signals right off the bat.

2-line, 4-line, graphic, lots of options.

DB25 cables are fairly attractive and come premade. Otherwise I'd recommend ribbon cable with the headers that just clip over the wires for custom length cables.

Keep in mind your LCD might not like being far away from your processor as you can introduce noise a lot easier.

The serial LCD is the way to go. Sparkfun sells one as well.

What do you guys think about one of these?
Serial Interface Board Module

I also like the db25 cable. Are there any other cables like that with less pins? I suppose USB can work too (for temp and float sensors).

Edit: Nevermind. I just saw that there's DE-9, DA-15, DC-37, and DD-50 cables.
There's also breakout boards for these! Nice! (For anyone else interested)

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What do you guys think about one of these?
Serial Interface Board Module

These (given some trouble with the various alternative pin allocations, a hot topic on the "Displays" forum) are a popular part of the Arduino repertoire. Trick is - you need a four pin connector and cannot make the cable too long. For longer cables, you would want to use customised I2C functions to run the interface slower, but perfectly do-able.

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I also like the db25 cable. Are there any other cables like that with less pins? I suppose USB can work too (for temp and float sensors).

USB is tedious to use with the Arduino, other than via the USB-TTL adapter which converts it to serial so you would be just as well to use plain serial (TTL levels). What you can do consistent with your original request, is to use the USB fittings for something non-USB such as I2C, as long as they are not accidentally plugged into the wrong thing.

syntax_error:
Edit: Never mind. I just saw that there's DE-9, DA-15, DC-37, and DD-50 cables.

Wow! I am impressed - you know the proper names for the "D" connectors, despite the errors in those descriptions.

Paul__B:

syntax_error:
What do you guys think about one of these?
Serial Interface Board Module

These (given some trouble with the various alternative pin allocations, a hot topic on the "Displays" forum) are a popular part of the Arduino repertoire. Trick is - you need a four pin connector and cannot make the cable too long. For longer cables, you would want to use customised I2C functions to run the interface slower, but perfectly do-able.

syntax_error:
I also like the db25 cable. Are there any other cables like that with less pins? I suppose USB can work too (for temp and float sensors).

USB is tedious to use with the Arduino, other than via the USB-TTL adapter which converts it to serial so you would be just as well to use plain serial (TTL levels). What you can do consistent with your original request, is to use the USB fittings for something non-USB such as I2C, as long as they are not accidentally plugged into the wrong thing.

syntax_error:
Edit: Never mind. I just saw that there's DE-9, DA-15, DC-37, and DD-50 cables.

Wow! I am impressed - you know the proper names for the "D" connectors, despite the errors in those descriptions.

No wonder I can't find "DB-9" connectors. The more you know.