[DIY assembly] automatic alcohol sprayer

__**Just to be different from others**__ ● Self-assembled is more powerful ●Want to learn programming? You don’t need to remove it later to be a development board for learning ●Have you heard of Maker? This package is the maker experience group tailored for you ●Circuits, assembly, and programs are fun to play at once, and they are still very practical after finishing __**Package contents**__ 1. Wood board (sprinkler and base) 2. Wire 3. Control board (program has been filled, just assemble according to instructions) 4. Screw 5. Sensor 6. Motor 7. micro-usb socket (for power supply to the sprayer, please use a transformer with an output of 5V2A or more) 8.Battery box (if you don't want to use usb to supply power, you can use four AA alkaline batteries)