Cited as a reference · for some experience
3V 5V Low Control High Voltage 12V 24V 36V E-switch MOSFET Module For Arduino
Why people recommend it
Linked with little comment as a possible way to switch loads, and also as a source for the schematic of a cheap optocoupler and MOSFET module.
Watch for: One commenter warns such modules lack flyback and gate protection
In their words
Here is a schematic of what looks like the same thing from this video.
Spehro 'speff' Pefhany on electronics.stackexchange.com, Apr 2023. CC BY-SA.
