The Ortur LU 20A is 0.08x0.08(advertised) but the import tax eats up a wee chunk of the funds for the opt6w…if its Square!
Found this on the web:-
The pictures tell a lot about dot dimm’s but I wonder was there something else mechanical going on at abou the 4 o’clock area in the right hand picture.
Is this a good example of the difference between Co2 & diode?