Arduino project for a drill press to show drill rpm (tachometer) and depth. RPM and depth values are diplayed on a 16x2 2004a i2c display. The RPM values are read by a hall effect sensor. The depth values are read by a cheap chinese caliper. Both data sources use interupts to raise an event.
https://www.gfrerer.org/wprg/arduino-caliper-rpm/
Copyright (C) Richard Gfrerer [email protected]
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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