voltage note

diff --git a/plugins/sigrok-decoders/caliper/__init__.py b/plugins/sigrok-decoders/caliper/__init__.py
index 65620f8e9a21b86ea51491e9f46691a128b758cc..d35913d1dab2c0dcffb81374eac558f8a70ea66d 100644 (file)
--- 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.
 '''
 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
 '''
 
 from .pd import Decoder