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The WABBIT

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About The WABBIT

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    Combat Commando
  1. Well, I worked as a SMT Operator and Reworker for 10years. So, yes, I do know what soldermask is. And what you are referring to as plating is not what is actually defined as plating in the industry. https://www.sunstone.com/pcb-manufacturing-capabilities/detailed-capabilities/plating But, it doesn't matter. What matters is that you guys are making to beautiful motherboard for new Atari 8-bit computers. As for never see the guy apply solder to the board. That's what happens when you skipped through the video. All you need to do is watch the video to see how the guy soldered the SMD to the board, which is the first thing he does. At that point you do not need to watch it further.
  2. He is not using solder mask. What he is doing is taking his soldering iron and with a sweeping motion. putting solder on the trace pads. (essentially priming the pads with solder ahead of time.) After doing that he places the smd on the board with the legs sitting on each of the pads. Then when he uses the hot air iron.he is is causing the solder that is already on the pad to melt. thus allowing the legs sitting on top of the solder to slip down into the melted solder onto the pad. And when the heat from the hot air iron is removed, the solder cools and solidifies. thus soldering the part's legs into place. One thing though, when using a hot air iron to solder a part to a PCBA, especially ICs. you need to hold the part in place until enough of the part is solder in place. Or the part could very likely fly off to never never land. Like what happened with the second IC he started to solder into place.
  3. Sry I haven't posted before, but i have been following all of you guy's great work. And i plan on eventually building my own 1088XEL and 1088XLD. But, I have experience soldering this size pitch, and even smaller, by hand for where I used to work. Believe me, it took a lot of practice to do it right the first time. I could do it, if I had the equipment and solder and flux (which i don't). So, i'll have to look into getting the equipment first. Then look into the right solder and flux.
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