DM-20D SECRETS

The only thing remaining to finish this PCB will be to verify the reflowed solder joints. In this instance, the TVS diode had tombstoned a tiny bit and had to be hand soldered. Then hand solder the vias and connector, along with the PCB is full.Rub the copper facet of PCB using steel wool or abrasive spongy scrubs. This gets rid of the top oxide l