Single Channel remote control + RF superheterodyne receiver module (3.3V~5V) 433MHZ Arduino Uno Cable This is the TLP626-4 Photo

This is the TLP626-4 Photo IC Photocoupler manufactured by Toshiba

The SKBPC3516 Three Phase Bridge Rectifier is a high-power component designed for converting AC input into DC output in industrial and commercial applications

Brown for these 300K resistors

Model GBPC3510W Type Bridge Rectifier Diode Working Peak Reverse Voltage 1000 V  RMS Reverse Voltage VR(RMS)   700 V   Average Forward Rectified Output Current 35A Peak Reverse Current at 25°C 10µA No

Single Channel remote control + RF superheterodyne receiver module (3.3V~5V) 433MHZ Arduino Uno Cable This is the TLP626-4 PhotoWireless module using a remote control to switch a relay using a remote. It can be used as a Single channel wireless switch. It's Applications Garage Door, Household Electrical Appliances, RGB lights. Features Chip and Operating mode Learning code (1527,2240,HT6P20B,HT6P20D etc) Fixed code (2260,2262 etc) Hopping code(HCS301,300,200 etc.) Copy code(Face to face) Specification Working Voltage 3V DC Working Current 12mA Working Frequency 433MHz Transmit