Adding LC/MAX measurement code.

Author: kattni

CircuitPython_Templates/power_management_measuring_battery/code.py

@@ -0,0 +1,40 @@
+# SPDX-FileCopyrightText: Copyright (c) 2023 Kattni Rembor for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+
+import time
+import board
+from adafruit_max1704x import MAX17048
+from adafruit_lc709203f import LC709203F, PackSize
+
+#
+i2c = board.I2C()
+while not i2c.try_lock():
+    pass
+i2c_address_list = i2c.scan()
+i2c.unlock()
+
+device = None
+
+if 0x0b in i2c_address_list:
+    lc709203 = LC709203F(board.I2C())
+    # Update to match the mAh of your battery for more accurate readings.
+    # Can be MAH100, MAH200, MAH400, MAH500, MAH1000, MAH2000, MAH3000.
+    # Choose the closest match. Include "PackSize." before it, as shown.
+    lc709203.pack_size = PackSize.MAH400
+
+    device = lc709203
+
+elif 0x36 in i2c_address_list:
+    max17048 = MAX17048(board.I2C())
+
+    device = max17048
+
+else:
+    raise Exception("Battery monitor not found.")
+
+while device:
+    print(f"Battery voltage: {device.cell_voltage:.2f} Volts")
+    print(f"Battery percentage: {device.cell_percent:.1f} %")
+    print("")
+    time.sleep(1)