From 7d9507345400445e24445d830052f1d81f63d04d Mon Sep 17 00:00:00 2001 From: Tomas Mudrunka Date: Sat, 14 Mar 2020 00:40:32 +0100 Subject: [PATCH] voltage note --- plugins/sigrok-decoders/caliper/__init__.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/plugins/sigrok-decoders/caliper/__init__.py b/plugins/sigrok-decoders/caliper/__init__.py index 65620f8..d35913d 100644 --- a/plugins/sigrok-decoders/caliper/__init__.py +++ b/plugins/sigrok-decoders/caliper/__init__.py @@ -20,6 +20,10 @@ ''' 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. ''' from .pd import Decoder -- 2.30.2