Custom Arduino Model Rocket Launcher

This is the completed model rocket launcher project including commentary and information about the components. Parts list: -Arduino UNO or compatible board -DC-DC Buck adjustable voltage regulator (ebay) -Single SPDT Relay for Microcontrollers (mpja.com) -an empty military surplus 50 cal ammo can (ebay) -12223SW SPST On-None-Off Full Sized Toggle Switch (mpja.com) -16100SW Safety Cover for Full Size Toggle, Red (mpja.com) -Seimitsu clear arcade button (my spares bin) -Uila S Flash RGB LED board for Seimitsu arcade button (my spares bin) -Panel mount banana plug 1 red 1 black female (my local Radio Shack) -Banana plugs, 1 red, 1 black, male (Radio Shack) -Project board p/n 276-150 (Radio Shack) -(3) 10 Ohm, (3) 220 Ohm, (3) 10K Ohm resistors (Radio Shack) -male headers (removed from old computer motherboard) -female header connectors (amazon.com, and old computer) -SparkFun OpenSegment Serial Display - 20mm Red (sparkfun.com) -various wires, sermos connectors and 11.1v 3S 1300mah lipo battery (my spares bin) It is still cold here and I don't generally fly model rockets in the house, so look for a live test flight using this launcher when the weather warms up.