Chapter 5: Launch Panel

Day 23: Launch System

Build the launch control system. Wire both a 7-segment countdown display and an OLED status screen working together. Learn to coordinate multiple display devices — TM1637 on digital pins and OLED over I2C — for a complete launch interface.

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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.