LaserProjector V2
LaserProjector V2 is a battery-powered, ESP32-based laser XY scanner using stepper motors to deflect the beam. It has auto-homing functionality, and can be controlled wirelessly (Wi-Fi & Bluetooth).
Design
MCU
ESP32-WROOM-32
Step-down converter
TPS62162DSG
Laser MOSFET (N low-side switch)
NCE2060K
Power-gating MOSFET (N low-side switch)
NTR4501NT1G
Stepper motor drivers
STSPIN220
Features
- Hybrid Wi-Fi operation mode (STA & AP)
- Webserver GUI with custom WebSocket protocol
- Concurrent multi-user control
- Automatic/Manual/External scanning mode
- Parallel auto-homing
- Battery-powered