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--- pcbetching [2022-02-14 14:49] – [Cutting (CNC)] jtdburton
+++ pcbetching [2022-07-22 22:12] (current) – [Flux] MirZa
@@ Line 141: / Line 141: @@
 Where a trace has been broken, apply a solder bridge to reconnect it.
-===== Flux =====
+===== Protective coating =====
-Give your new board a spray with the can of flux. This will both prevent the copper traces from oxidising and make soldering to the board easier. Applies just like spraypaint - use back-and-forth motions from 20-30cm away.
+Bare copper traces oxidise very quickly without any protection.
+Give your new board a spray with the can of clear varnish after soldering and leave to dry for a couple of hours.
+Mask off any buttons or mechanical components with masking tape so they do not get stuck.
-Leave to dry for a couple of hours. Congratulations, you made a PCB!!
+Another option is to use tinning solution before soldering.
+Congratulations, you made a PCB!!