The HEX folder contains the firmware files for remote download of the Arduino sketch;
The TB-limit_switch-tester folder contains an Arduino sketch for testing the limit switch;
The TB-ir-module-tester folder contains an Arduino sketch for testing the thermal imager;
The TB-lamp-tester folder contains an Arduino sketch for testing the signal lamp;
The TB-ros-tester folder contains an Arduino sketch for testing the communication performance of the Atmega microcontroller with ROS;
The Turtlebro-tester folder contains an Arduino sketch for testing the performance of the LED strip and the D22-D25 buttons.