Hi, can anyone tell me how to connect a micro Lolin D32 Pro to a relay that needs 5V to work? I checked the module and it only has output for 3.3V
I use a cell phone charger to power the Lolin D32 Pro module
The Lolin D32 has a pin marked USB. This should supply 5v when the device is powered via its USB socket. You can power your relay module from this pin and GND.
https://www.wemos.cc/en/latest/d32/d32.html
If you still have problems, post a link to the relay module.