Quantity   Component name
1 × ESP32-WROOM-32
2 × 25GBCT2 Stepper motor
2 × STSPIN220 Stepper motor driver
1 × TPS62162DSG Power Management ICs / Switching Regulators and Controllers
2 × QRE1113 IR reflectance sensor
1 × NCE2060K N MOSFET
1 × NTR4501NT1G Discrete Semiconductors / Power Transistors and MOSFETs
2 × EVPAA602W SMD Tactile switches
2 × EEEHBH220UAP Capacitors / Aluminum Electrolytic