We went over the safety criteria for the class. We took a safety test that requires a 100% as passing. We went downstairs and practice soldering on a protoboard.
I completed the board with 40+ soldering points. You'll notice the good soldering is silvery and filled. The poor soldering is not as filled and not as silvery. I cut the ends of a 5.1V, 0.7 A cell phone power supply, split the wire and solder two leads to it, a black for ground and a red for power. Then I wrap heat shrinks onto the two leads soldered.
Pictures were taken of the protoboard and power supply unit for verification
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