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Diffstat (limited to 'decoders/caliper/__init__.py')
| -rw-r--r-- | decoders/caliper/__init__.py | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/decoders/caliper/__init__.py b/decoders/caliper/__init__.py new file mode 100644 index 0000000..3fc99fe --- /dev/null +++ b/decoders/caliper/__init__.py @@ -0,0 +1,36 @@ +## +## This file is part of the libsigrokdecode project. +## +## Copyright (C) 2020 Tomas Mudrunka <harvie@github> +## +## 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; either version 2 of the License, or +## (at your option) any later version. +## +## 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. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, see <http://www.gnu.org/licenses/>. +## + +''' +This decodes digital output of cheap generic calipers (usualy made in china) +Decoder will show measured value in milimeters or inches. + +Please note that these devices often communicate on low voltage level, +which might not be possible to capture with 3.3V logic analyzers. +So additional circuitry might be needed to capture the signal. + +This is NOT for calipers using Digimatic protocol (eg. Mitutoyo and similar brands) + +More info: + +http://www.shumatech.com/support/chinese_scales.htm +https://www.instructables.com/id/Reading-Digital-Callipers-with-an-Arduino-USB/ +''' + +from .pd import Decoder |