Automatic Hand Sanitizer Using 3d Printer

Dear all ,

This is a very simple automatic hand sanitizer and by using 3d printing i am making the cover and nozzle which gives it a professional look.

This is the smallest DIY for hand sanitizer.

Supplies

1. Ir sensor
2. tip31c
3. waterpump
4. usb wire
5. pipe
6. 3d printed case and nozzle.

Step 1: Circuit Diagram and Assembly

We just need to connect the circuit as per the diagram .

3d printed files are added ,just download and print it.

if you have any suggestion please let me know in the comment box.

Step 2: