Chapter 2: Solar Array Repair
Critical battery alert — power reserves at 12%. Build a light-sensing system with a photoresistor to monitor and repair the solar array. Learn analog input, the analogRead() function, and how to read light levels from the physical world.
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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.