➀ This article presents a live DIY tutorial for building a multi-use RF relay control system using TX2H-433-64 transmitters and RX2A-433-64 receivers;

➁ It demonstrates interfacing the CD4027 flip-flop IC with relays to enable wireless control of AC appliances and explains practical installation methods;

➂ Targeted at electronics enthusiasts, students, and hobbyists, the guide emphasizes circuit design, RF module operation, and relay applications in automation.