Merge branch 'main' of https://github.com/mcmchris/mcm-grove-voltage-sensor

Author: mcmchris

README.md

@@ -1,2 +1,19 @@
-# mcm-grove-voltage-sensor
+# MCM AC Voltage Sensor
 AC analog voltage sensor module for energy monitoring.
+
+### Designed to work with this Grove AC Voltage Sensor:
+
+<img src="https://user-images.githubusercontent.com/49886387/199758255-45810a16-45d4-4219-b7bf-059b36803640.jpg" width="500"/>
+
+### Features:
+- Adjustable gain to avoid ADC saturation.
+- Supports 120 VAC or 240 VAC (or any value below that).
+- Manual calibration for custom adjustments.
+- Power supply range: 3.3v - 5v
+
+## Works with:
+
+- Arduino Boards.
+- ESP32 boards.
+- Wio Terminal Dev Board.
+- Easy to adapt to any other architecture.