Quantity   Component name
1 × ESP8266 wifi tranceiver
1 × PIC16F628A Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × MOC3032 optocoupler Opto and Fiber Optic Semiconductors and ICs / Optocouplers and Optoisolators
1 × Triac Discrete Semiconductors / Thyristors (DIACs, SIDACs, TRIACs, SCRs)