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20 digital I/O pins (3 used for Touch IC and 5 for MP3 IC
variable continuously from 7 to 500W/s
Optional VESA bracket adaptor kit
1 x For 42mm NEMA17 Stepper Motor Alloy Steel Mounting Bracket
Celestron Sky Map - Planisphere Revo VRS-LANC 20 digital I/O pins (3The Celestron Sky Map provides a fun way to read the night sky, and is an ideal teaching guide. Just as you wouldn't set off upon a road trip without a road map, you needn't try navigating the night sky without a map either. Even if you're experienced around major constellations, these maps help locate all kinds of fascinating objects. The front cover has a specially designed luminous planisphere that rotates to simulate the seasonal progression of
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