Make your Halloween haunts a blast with this DIY air cannon! Fire off blasts of compressed air to spook your guests with a DIY air cannon. Common plumbing supplies plus a Feather Prop-Maker RP2040 and Power Relay FeatherWing allow you to creatively control it with CircuitPython. John ParK Learn Guide coming soon. Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------