Review on 📡 5 Pairs 433MHz RF Transmitter and Receiver Module Board Link Kit: Compatible with Ar-duino/Arm/McU/Raspberry Pi/Wireless DIY by Troy Arnold

This is my first order from this supplier. All receivers worked but only 4 out of 5 transmitters. That's luckier than I've had with WayinTop devices. They look identical to WayinTop, all numbers are the same. Maybe I was just unlucky with the others, but when I ordered 3 pairs of WayinTop for the first time, one of the transmitters was defective. I contacted Revain's very friendly support and they sent me a set of replacement transmitters so I could take a good transmitter from that set and send the rest back. However, none of these alternating transmitters worked at all. Damn. At this point I already had the parts in the project and it just wasn't worth the hassle of sending them back again so I ordered this set. Like I said, what works works well. A tip: after setting up the test jig/project code (I used info from the Drone Bot Workshop 433MHz), adjust the small brass screw on the receiver. I don't take much, but it helped at least one.