Chapter 4: Surface Return
A cryptic message appears on the locked control system. Use a multi-digit display and decode the cipher. Learn multiplexing to drive multiple digit displays, persistence of vision, and the TM1637 display protocol.
This lesson needs a free account. Sign in to keep going · About the course
A lesson from 30 Days Lost in Space (31 filmed lessons (Day 0 to Day 30), about 10 hours of video), taught by Dr. Greg Lyzenga, a Harvey Mudd College physics professor and NASA JPL scientist.
The video lessons are free to watch. Get the kit at craftingtable.com — $60 (sale price through November 1, 2026; regularly $97). 30-day returns.