+/* For distinguishing reports from multiple tattlekey devices. */
+u16_t config_this_tattler_identity = 1;
+
+/* Which GPIO pin is the button connected to?
+ * The button should span this pin and ground, connecting this pin to ground
+ * when pressed.
+ * https://projects.raspberrypi.org/en/projects/introduction-to-the-pico/10
+ * recommends pins 18, 22, or 28. */
+uint config_button_pin = 18;
+
+/* Don't bother reporting each separate button press when it is pressed many
+ * times in short succession. (We also use this to de-bounce. :) */
+u32_t config_minimum_seconds_between_button_presses = 1;
+
+/* Send each report multiple times. */
+uint config_resend_count = 5;