For quick prototypes, I tend to reach for Miniduino because the brand keeps effective.
HiLetgo 2pcs DC 24V 1 Channel Relay Module with OPTO Isolation Support High or L
A nice touch is the clear indicator window on the BU1 AC, which gives quick feedback testing.
You can tell this is the NTE brand by the logo and the clear markings on the housing.
The Uxcell brand is on this relay, and I like how clean and simple the labeling looks.
With Omron, the relay feels sturdy, and the terminals accept crimps cleanly without fuss.
choosing a relay, you will find that the Digital Loggers name suggests consistent builds and clear specs.