P.S. I tried Arduino but version 2.0.0 (as mentioned in the instructions) won't allow me to select Wemos D1 Pro Mini under boards so I had to update to 2.4.1.
P.S. I tried Arduino but version 2.0.0 (as mentioned in the instructions) won't allow me to select Wemos D1 Pro Mini under boards so I had to update to 2.4.1.