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1
vote
1
answer
172
views
Black spots on soldered joints
When I solder, I often end up with black spots like the ones you see in the picture. I circled one.
Is it burned flux? Will that affect the connections? How to avoid them?
3
votes
2
answers
441
views
Are fiber glass perfboards more durable than phenolic perfboards?
For example, in an identical setup, would a fiber glass perfboard last more years than a phenolic perfboard?
3
votes
3
answers
2k
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Is it an issue if connections are too close to each other?
I like the idea of making very compact circuits. However, it worries me that the connections will be too close of each other, increasing the likelihood of shorts or melting nearby solder by accident.
…
0
votes
1
answer
56
views
Single-core-wires: should sharp turns be avoided?
When making connections with single-core wires, should sharp turns like this be avoided, opting for a rounder turn? Or it doesn't matter?
0
votes
1
answer
63
views
Finding it hard to track connections when they are under the protoboard/perfboard
What I really like about creating the connections underneath the protoboard/perfboard is that you can create really compact circuits. …