Powered by an Arduino nano, an 9g servo, some buttons and a lcd display
https://www.youtube.com/watch?v=WIepN9gvDh0
Parts:
http://www.aliexpress.com/item/1602-16x2-HD44780-Character-LCD-w-IIC-I2C-1602-Serial-Interface-Adapter-Module/2042039421.html
http://www.aliexpress.com/item/Free-Shipping-2PCS-LOT-SG90-9g-Mini-Micro-Servo-for-RC-for-RC-250-450-Helicopter/2055708169.html
http://www.aliexpress.com/item/Free-Shipping-1PCS-Nano-3-0-controller-compatible-with-nano-CH340-USB-driver-NO-CABLE-for/32259793183.html
BackCase.stl | 1.3MB | |
Barrel.stl | 614.9KB | |
BarrelBack.stl | 895.6KB | |
BarrelTop.stl | 888.7KB | |
Bridge.stl | 250.2KB | |
ButtonArray.stl | 3.9MB | |
FrontCase.stl | 1.0MB | |
Tank.stl | 1016.4KB | |
TankDeckel.stl | 121.9KB |