+
+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/