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## A crisis you can recognise once it is already a problem.
## A crisis you can recognise once it is already a problem.
# Solder
# Solder
+## Thin as you feel comfortable with.
# Flux
# Flux
−# Good Illumination
+## A necessity with modern Lead free solders
+## It allows contaminates at the melted metal boundary to be extracted in what is basically a soap.
+# Good Illumination
+## You always want to be able to see what you are doing
# Three hands
# Three hands
+## Holding the Solder
+## Holding the Soldering Iron
+## Holding the thing, that could well get quite hot.
+# A third hand
==Encoders connected using a MCP23017 chip==
==Encoders connected using a MCP23017 chip==