| functional_button | simple button library |
| Mapf | extended arduino map() function |
| Motor_PID | HG7881 module double H bridge L9110S and L298N drivers library (PID) |
| SD_card_logger | SD card logger, easy to use library for data logging |
| Simpletimer | this is simple class you can use to manage time |
| SkyMap | The SkyMap library allows you to calculate the positions of stars and planets in the sky. |