Laser XY projector

My family participates in Project Night Light. To do something special I wanted to put on Laser light show. This was the inspiration for this: https://www.instructables.com/id/Arduino-Laser-Scanner/

The final product is a laser projector that will be controlled via WIFI from a phone inside a browser connected to http://192.168.4.1

WEB UI:




Items needed:
- WeMOS wifi UNO ( https://www.aliexpress.com/item/OTA-WeMos-D1-CH340-CH340G-WiFi-Development-Board-ESP8266-ESP-12-ESP-12E-Module-For-Arduino/32832380308.html?spm=a2g0s.9042311.0.0.27424c4ddqV3XY ) $3.41
- 2 x stepper drivers ( https://www.aliexpress.com/item/1pcs-lot-Reprap-Stepper-Driver-A4988-green-red-color-Module-with-1pcs-Heatsink-2-colours-Stepper/32868481060.html?spm=a2g0s.9042311.0.0.3da24c4dLWsH4B ) $0.91
- 2 x NEMA14 steppers 0.9deg ( https://www.ebay.com/itm/NEMA-14-Stepper-Motor-0-9deg-400step-rev-0-4A-15-6oz-in-with-15T-Copper-Gear/132683773382?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649