{"product_id":"cannon-add-on","title":"Cannon (Add-On)","description":"\u003ch2 data-start=\"0\" data-end=\"51\"\u003e\u003cstrong data-start=\"2\" data-end=\"51\"\u003eCannon Add-On — Power, Physics, and Safe Play\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"52\" data-end=\"461\"\u003eTurn your \u003cstrong data-start=\"62\" data-end=\"72\"\u003eStackr\u003c\/strong\u003e into a dramatic demonstration of stored energy with the \u003cstrong data-start=\"129\" data-end=\"139\"\u003eCannon\u003c\/strong\u003e add-on. Designed for learning and hands-on experimentation, this module uses a \u003cstrong data-start=\"219\" data-end=\"255\"\u003esingle continuous-rotation servo\u003c\/strong\u003e driving a \u003cstrong data-start=\"266\" data-end=\"285\"\u003erack-and-pinion\u003c\/strong\u003e to compress a spring; when released, the stored energy launches a small projectile. It’s an engaging way to explore mechanics, electronics, and control — with safety built in.\u003c\/p\u003e\n\u003ch3 data-start=\"463\" data-end=\"488\"\u003e\u003cstrong data-start=\"467\" data-end=\"488\"\u003eWhat You’ll Learn\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"491\" data-end=\"723\"\u003e\u003cstrong data-start=\"491\" data-end=\"507\"\u003e🔩 Mechanics\u003c\/strong\u003e – See energy storage and release in action. Learn how a \u003cstrong data-start=\"564\" data-end=\"583\"\u003erack-and-pinion\u003c\/strong\u003e can convert rotary motion into linear travel to compress a spring, and how that stored energy translates into a short, controlled launch.\u003c\/p\u003e\n\u003cp data-start=\"726\" data-end=\"939\"\u003e\u003cstrong data-start=\"726\" data-end=\"743\"\u003e⚡ Electronics\u003c\/strong\u003e – Interface and control a \u003cstrong data-start=\"770\" data-end=\"790\"\u003econtinuous servo\u003c\/strong\u003e from the \u003cstrong data-start=\"800\" data-end=\"822\"\u003eArduino Nano ESP32\u003c\/strong\u003e on Stackr. Practice wiring, power considerations, and using feedback\/limits to keep movements repeatable and safe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"942\" data-end=\"957\"\u003e💻 Software\u003c\/strong\u003e – Build reliable control logic:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"996\" data-end=\"1064\"\u003eCreate an \u003cstrong data-start=\"1006\" data-end=\"1026\"\u003earming\/disarming\u003c\/strong\u003e sequence and safe release behavior.\u003c\/li\u003e\n\u003cli data-start=\"996\" data-end=\"1064\"\u003eIntegrate with the \u003cstrong data-start=\"1088\" data-end=\"1103\"\u003eGamePad App\u003c\/strong\u003e and BLE to remotely trigger and monitor the cannon.\u003c\/li\u003e\n\u003cli data-start=\"996\" data-end=\"1064\"\u003eCoordinate timing between driving, arming, and firing for repeatable results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1241\" data-end=\"1263\"\u003e\u003cstrong data-start=\"1245\" data-end=\"1263\"\u003eWhy It’s Great\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1264\" data-end=\"1508\"\u003eThe Cannon add-on is a visually gratifying project that ties classroom physics to a real device. It’s ideal as a short workshop or weekend build that teaches core engineering concepts from mechanisms and energy to responsible control systems.\u003c\/p\u003e\n\u003ch3 data-start=\"1510\" data-end=\"1530\"\u003e\u003cstrong data-start=\"1514\" data-end=\"1530\"\u003eSafety First\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1531\" data-end=\"1638\"\u003eThis add-on is intended for \u003cstrong data-start=\"1559\" data-end=\"1606\"\u003eeducational, low-energy demonstrations only\u003c\/strong\u003e. To keep projects safe and fun:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNever aim at people, animals, or fragile objects.\u003c\/li\u003e\n\u003cli data-start=\"1765\" data-end=\"1840\"\u003eOperate under \u003cstrong data-start=\"1779\" data-end=\"1800\"\u003eadult supervision\u003c\/strong\u003e and wear eye protection during tests.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1644\" data-start=\"1351\"\u003e\u003cstrong\u003eThere is more\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1351\" data-end=\"1644\"\u003eThis Add-On is compatible with the \u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Arduino Alvik\" href=\"https:\/\/www.arduino.cc\/education\/arduino-alvik\/\" target=\"_blank\"\u003eAlvik Robot\u003c\/a\u003e\u003c\/strong\u003e. \u003c\/p\u003e\n\u003cp data-start=\"1351\" data-end=\"1644\"\u003e \u003c\/p\u003e\n\u003ch2 data-end=\"1822\" data-start=\"1699\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eContent:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCannon (Add-On) Assembly Video - \u003ca href=\"https:\/\/youtu.be\/grzgB0A8CFg\" title=\"Cannon (Add-On) Assembly\" target=\"_blank\" rel=\"noopener\"\u003ehttps:\/\/youtu.be\/grzgB0A8CFg\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-end=\"1644\" data-start=\"1351\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eThis is just the Add-On. It does not include Stackr.  \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"RobotiX One","offers":[{"title":"Default Title","offer_id":51476112113963,"sku":null,"price":25.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0936\/5893\/9691\/files\/20251105_175449.jpg?v=1762484628","url":"https:\/\/robotixone.myshopify.com\/products\/cannon-add-on","provider":"RobotiX One","version":"1.0","type":"link"}