A recap of each session is at the first link, this will include links to websites/software, and example code.
If you would like to achieve a Silver CREST Award, you can extend your robot project by completing the optional activities, and keeping evidence of your work, in your own time.
Session 1 programming robots and ultrasonic distance sensors
Optional 1 debugging techniques
Session 2 soldering and electronics
Optional 2 wiring diagrams
Session 3 computer-aided design for 3D printers and laser cutters
Optional 3 further design work
Session 4 robot assembly and testing
Optional 4 problem-solving and evaluation of design
Session 5 programming and challenges
Optional 5 write-up and final evaluation