Sorry these lack any detailed explanation. They were made either for school or for a competition so they had dedicated detailed design reports that were handed in to the people concerned.
Custom SoC with a RISC-V CPU with additional custom instructions and some peripherals.
Autonomous Drone Control Software for Custom Built Rotary-Wing Drone
The program accomplishes the task of collecting water from a blue colored pool and releasing it in a red colored pool, whose precise locations are unknown. The image processing part and the functions that use peripheral ports to control the water sucking/releasing motor were made by other team members.
Ground Control Station for Custom Built Rotary-Wing Drone
The GUI communicates with the drone using a "backend" program that takes care of the communications stuff.
Android Version: Google Play Store Page Currently removed by Google because I have to update my privacy policy or something (despite the app not even requesting network access).
Google Earth and Maps Scripts
Custom keyboard shortcuts for Google Earth Web and Google Maps.