geekhack
geekhack Community => Keyboards => Topic started by: Purplecashew on Wed, 07 December 2011, 05:13:12
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Hi guys,
I recently dug up a Honeywell 101WN which we've had in the family for quite a while. Due to quite a bit of spare time, I decided that i'd convert it to USB form (it's got a 5-pin). My only problem is this: I have no idea which wire corresponds to which pin. I understand which pins are for ground, etc. but i've got no way of knowing which wire it corresponds to. I've tried opening the male plug, but it's been soldered rather tight under the rubber and i'm horrible with soldering.
In short, does anyone know which colour of wire corresponds to what? I guess if anyone knows what the pins on the motherboard thing in the keyboard (obvious noob here) mean, that helps.
PS: I know you can get adapters and the like, but I strongly dislike them, and it's not really the solution i'm after.
I would post a pic, but its not allowing me, first post etc.
Thanks in advance guys
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Buy an adapter and solder it permanently?
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That's a regular PC/AT keyboard, isn't it? It's really not obvious what you're trying to do. You just need an AT-to-PS/2 dongle and a PS/2-to-USB translator.
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If you are trying to do this and don't have a multimeter to check things out then you are not properly prepared. If it's just that you don't know how to use a multimeter or perhaps what to use it for here's your chance.
You can use the multimeter to answer your question by setting it to Ohms (the omega symbol) and turning on the beep (often pictured as successively larger parenthesis surrounding a dot) putting 1 lead on a pin and use the other lead to sequentially test each wire. Once it beeps or reads close to 0 ohms you know which wire is on that pin.