The Range Finder Field Engagement Board is functional hardware employing the implementation described in this application note. It is depicted in the figure below. Its firmware employs the peripheral setup described in this application note and includes an OLED driver to display the results onscreen. The hardware also includes an RGB LED to indicate proximity on a color scale and a temperature sensor in order to account for error introduced by temperature variation, however, this functionality is not implemented in the current firmware version. More information can be found in the "Ultrasonic Range Finder with ATtiny817 Hardware User's Guide" (DS40001902).
