autobed leveling using a fsr (force sensing resistor) November 13, 2014 09:23AM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 09:42AM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 10:09AM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 10:09AM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 10:11AM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 12:11PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 01:46PM |
Registered: 10 years ago Posts: 869 |
For limit switches, I'm not so sure. A typical mechanical limit switch is a snap-action switch. It's designed so that once a threshold of force is encountered, the contacts snap closed (or open) definitively in a accurate and repeatable manner. Non-mechanical solutions such as a hall effect sensor use a schmidtt trigger (or functional equivalent) to mimic that snap-action functionality. The whole point of a force sensing resistor is that you can measure just so how much force is being applied. For determining if a limit has been reached, knowing that doesn't get you anything more than just knowing if the switch is open or closed....it's by definition an analog device for a digital purpose.Quote
botfeeder
force sensing resistor. This could be the change in the future 3D printer model.
Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 01:59PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 03:00PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 03:31PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 03:46PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 03:53PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 04:00PM |
Registered: 10 years ago Posts: 469 |
Quote
Zedsquared
Hate to burst your bubble guys but this has all been done!
[lmgtfy.com]
Cheers,
Robin.
Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 04:55PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 05:04PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 05:13PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 13, 2014 05:17PM |
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Re: autobed leveling using a fsr (force sensing resistor) November 14, 2014 09:35AM |
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Re: autobed leveling using a fsr (force sensing resistor) November 14, 2014 09:57AM |
Registered: 10 years ago Posts: 469 |
Quote
Zedsquared
Looks cool, requires an amplifier to feed into a spare a/d on the electronics perhaps (it has a voltage output rather than variable resistance of an FSR) much like thermocouple vs thermistor for heat sensing. Or if just used for an on/off sense then a mod of the light sensor board might work but it's unlikely to just bolt onto the cheap board mentioned above.
Looks expensive too
Cheers,
Robin.
Re: autobed leveling using a fsr (force sensing resistor) November 14, 2014 11:58AM |
Registered: 9 years ago Posts: 45 |