Quantity   Component name
1 × ESP8266 https://www.aliexpress.com/item/ESP8266-serial-WIFI-model-ESP-07-Authenticity-Guaranteed/32268727849.html?ws_ab_test=searchweb0_0,searchweb201602_2_10152_10065_10151_10068_10084_10083_10080_10082_10081_10110_10136_10137_519_10175_10111_10060_10112_10113_10155_10062_10114_437_10154_10056_10055_10054_10182_10059_303_100031_10099_10078_10079_10103_10073_10102_10096_10123_10189_10052_10053_10142_10107_142_10050_10051,searchweb201603_2,ppcSwitch_5&btsid=ee0151ad-d081-4132-8a98-97b015116dc3&algo_expid=237cf0ba-583f-4314-ba3f-b9c69035d3cc-2&algo_pvid=237cf0ba-583f-4314-ba3f-b9c69035d3cc
2 × relay 5V Switch 220V https://meisuo.en.alibaba.com/product/60179010110-803956393/Meishuo_MPD_5A_10A_small_size_PCB_relay.html
1 × Transformer 220v to 5V https://meishuo.en.alibaba.com/product/60283862969-801711405/EFD15_mini_transformer.html
2 × optocoupler
2 × Regulator 12V to 3.3V(lm1117) lm 1117https://www.aliexpress.com/item/S1065-Free-shipping-100pcs-AMS1117-3-3-SOT-223-3-3V-Linear-Regulator-LM1117/32351569056.html?ws_ab_test=searchweb0_0,searchweb201602_2_10152_10065_10151_10068_10084_10083_10080_10082_10081_10110_10136_10137_519_10175_10111_10060_10112_10113_10155_10062_10114_437_10154_10056_10055_10054_10182_10059_303_100031_10099_10078_10079_10103_10073_10102_10096_10123_10189_10052_10053_10142_10107_142_10050_10051-10051_10110,searchweb201603_2,ppcSwitch_5&btsid=09cdbd7b-a7a7-4cae-be29-1fb78e2bdf04&algo_expid=36225289-334d-478b-ac14-64b014786469-3&algo_pvid=36225289-334d-478b-ac14-64b014786469
2 × Capacitor 10 uF