![John Park retrospective: Auto Nerf Sentry Gun @arduino @nerfnation @johnedgarpark « Adafruit Industries – Makers, hackers, artists, designers and engineers! John Park retrospective: Auto Nerf Sentry Gun @arduino @nerfnation @johnedgarpark « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2016/07/sentrystand.jpg)
John Park retrospective: Auto Nerf Sentry Gun @arduino @nerfnation @johnedgarpark « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![Buy Adventure Force Tactical Strike Sentry X2 Spring Action Ball Blaster Online in Hong Kong. 445336951 Buy Adventure Force Tactical Strike Sentry X2 Spring Action Ball Blaster Online in Hong Kong. 445336951](https://www.ubuy.hk/productimg/?image=aHR0cHM6Ly9pNS53YWxtYXJ0aW1hZ2VzLmNvbS9hc3IvYTAyODVkYjEtYWZmMS00NmRkLTk1ZDAtMWQ0ZDA5OTAyOTU2XzEuYTkzZTFjNTg5MWQwZjk1NDY1NmI3M2YxNTA5YjkyOGIuanBlZw.jpg)
Buy Adventure Force Tactical Strike Sentry X2 Spring Action Ball Blaster Online in Hong Kong. 445336951
![John Park retrospective: Auto Nerf Sentry Gun @arduino @nerfnation @johnedgarpark « Adafruit Industries – Makers, hackers, artists, designers and engineers! John Park retrospective: Auto Nerf Sentry Gun @arduino @nerfnation @johnedgarpark « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2016/07/sentry03bweb-600x400.jpg)