Please let us know, dorkvader. Also will need to know all the specs such as power requirements... I would love a custom hall effect keyboard.I can give you power requirements of "normal" micro switch hall effect keyswitches, I just have to desolder one.
Would it be possible to mount these on a regular cherry board? Very cool. I wonder what they feel like.
Would it be possible to mount these on a regular cherry board? Very cool. I wonder what they feel like.
Anyone played/built something with these yet?Not these speciifcally, but I will be ordering some soon.
Have you worked with similar switches in that case? What did you build?
What is a hall effect switch? What is it doing?
Welp, mine have arrived. Wish me luck in projectland! :)I am very interested in any pictures you may have of the actual switches.
Just ordered 50 of these. Plan to make a gamepad like this:Sweet! This is so exciting!Show Image(http://i.imgur.com/HKympdV.png)
I have access to a 3D printer so the keycaps and case shouldn't be a problem. This is gonna be a fun project. :)
I'll be hopefully in there with you as well, making a small keyboard (for gaming). I'd be very interested in keycaps as well. The hardest part will likely be stabilizing the spacebar. I'm studying up on these, so hopefully we can help eachother out some.If the goal is a gamepad, I'd suggest going with a couple of smaller centrally balanced buttons that don't require stabilization rather than one giant one, unless part of the project is specifically to learn spacebar stabilization.
|esc|| 2 || 3 || 4 || 5 |
| 1 || q || w || e || r |
|ctl|| a || s || d || f |
|shf|| z || x || c || v |
|del|| alt || space |
Just ordered 50 of these. Plan to make a gamepad like this:Sweet! This is so exciting!Show Image(http://i.imgur.com/HKympdV.png)
I have access to a 3D printer so the keycaps and case shouldn't be a problem. This is gonna be a fun project. :)
I'll be hopefully in there with you as well, making a small keyboard (for gaming). I'd be very interested in keycaps as well. The hardest part will likely be stabilizing the spacebar. I'm studying up on these, so hopefully we can help eachother out some.
Honeywell has a PDF of their hall effect sensors. It's a lot of more "general" hall effect stuff, but there's some specifics on the keyswitches. This is where I get my 3*10^10 actuations number. Lots of good information in there!
sensing.honeywell.com/index.php?ci_id=47847
If their 100 KHz scan time is any sort of guide, I would expect the debounce time to be quite short, but this number could be inherently meaningless. It won't matter if you scan the matrix 100,000 times per second, if it takes a while to debounce. Viewing the waveform on my oscilloscope (with a camera) shows pretty quick ramp up from ~0V output to ~5V output (the switch outputs 5V directly when it detects a keypress) so I would expect this would make it useful for high speed applications (gaming) but we'll see how quickly it can actually actuate and reset in the real world, and how much hysterisis there is (there in some information about adding hysterisis to hall effect sensors. No idea if it's included here or not)
I'll be hopefully in there with you as well, making a small keyboard (for gaming). I'd be very interested in keycaps as well. The hardest part will likely be stabilizing the spacebar. I'm studying up on these, so hopefully we can help eachother out some.If the goal is a gamepad, I'd suggest going with a couple of smaller centrally balanced buttons that don't require stabilization rather than one giant one, unless part of the project is specifically to learn spacebar stabilization.
Example with 21 1x buttons and 2 2x buttons (that still allows for both three finger salutes):Code: [Select]|esc|| 2 || 3 || 4 || 5 |
| 1 || q || w || e || r |
|ctl|| a || s || d || f |
|shf|| z || x || c || v |
|del|| alt || space |
Yes, I like your design much better. A 2x key for the spacebar should be long enough for comfortable use, but not long enough to require stabilization. Although the alt key should probably be split into two 1x keys.Wasn't sure how much use the left of two 1x keys in that space would use, given that it would be an awkward reach for any of the fingers or thumb. Might make a good spot for a tab key though, since that frequently just brings up a scoreboard and other useful-but-infrequent game functions.
|esc|| 2 || 3 || 4 || 5 |
| 1 || q || w || e || r |
|ctl|| a || s || d || f |
|shf|| z || x || c || v |
|del||tab||alt|| space |