HIOKI 3193-10 power analyzer GPIB/USB control tools

Python driver and CLI for solar MPPT converter efficiency testing.
Features: measure, monitor, live graph, auto-ranging V/I on both
channels, efficiency calculation, display configuration, integration
control, and CSV logging with voltage/current range tracking.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,10 @@
+# Python-generated files
+__pycache__/
+*.py[oc]
+build/
+dist/
+wheels/
+*.egg-info
+
+# Virtual environments
+.venv