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+# Schematic
+
+## Pull-Down Option
+
+```text
+3.3V -> button -> GPIO
+GPIO -> resistor -> GND
+ESP32 GND -> circuit GND
+```
+
+## Pull-Up Option
+
+```text
+3.3V -> resistor -> GPIO
+GPIO -> button -> GND
+ESP32 GND -> circuit GND
+```
+
+## Actual Circuit
+
+TODO: указать выбранный вариант, GPIO и resistor value.