Smars forklift additional part

Forklift e lower :
This is a remix of e part. Now forks are close to the floor.

Support uno :
Part is fixed on "Arduino SMD L298 Dual Motor Driver Shield".
It hold another motor board on the top for forks motor.

Support battery 18650 :
Part is fixed on support uno side with small scew.

Support switch :
Part hold a power switch connected to positive of battery.

EDIT :

SMARS base : https://www.thingiverse.com/thing:2662828

SMARS Forklift add on : https://www.thingiverse.com/thing:3027255

I add my Arduino code.
I use this app : https://play.google.com/store/apps/details?id=it.hieund.arduino_remote_lite