Quantity   Component name
1 × ESP-01 ESP8266 ESP-01 module
1 × SP3485 Interface and IO ICs / RS-232, RS-422, RS-423 and RS-485
1 × LD1117S33C Power Management ICs / Linear Voltage Regulators and LDOs
1 × 5V power supply
1 × Dooya DT82TV Curtain motor with RS-485 interface (DT82TV, DT72E, DT52E, etc.)