Quantity   Component name
1 × Itead.cc RF Receiver Module-433Mhz https://www.itead.cc/rf-receiver-module-433mhz.html
1 × ESP-01S module https://www.aliexpress.com/item/DIY-ESP8266-ESP-01S-Wireless-Wifi-Sensor-for-Arduino-ESP-01-Advanced-Version-wireless-transceiver/32769396676.html?spm=a2g0s.9042311.0.0.0tJMnX
1 × HLK-PM03 AC-DC 220V to 3.3V https://www.aliexpress.com/item/HLK-PM03-AC-DC-220V-to-3-3V-Step-Down-Buck-Isolated-Power-Supply-Module/32834028942.html?spm=a2g0s.9042311.0.0.E6KVx4
1 × Atmel ATTINY441-SSU
2 × 470 Ohm 0.5W resistor
2 × 390 Ohm 0.5W resistor
2 × 470 Ohm 0.25/0.125 W resistor
2 × 150 Ohm 0.25/0.125 W resistor
2 × 3mm LED
2 × MOC3043/MOC3063 Optical triac https://www.aliexpress.com/item/20PCS-MOC3041-DIP6-DIP-new-and-original-IC-free-shipping/32549818885.html?spm=a2g0s.9042311.0.0.B3nSHR
2 × BTA08-600BW triac May use any of more powerfull ones, e.g. BTA10. The most important in BW suffix
1 × 1A fuse with leads
1 × 2x4 pin Female header https://www.aliexpress.com/item/20-pcs-Pitch-2-54mm-2-4p-3Pin-Double-Row-Straight-Pin-Female-Free-Shipping/32442261453.html?spm=a2g0s.9042311.0.0.JCVkD0
2 × 3 pin screq terminal https://www.aliexpress.com/item/10PCS-KF301-3P-5-08mm-3-Pin-Connect-Terminal-Screw-Terminal-Connector/32673069278.html?spm=a2g0s.9042311.0.0.JCVkD0