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| pbj:
One of the new boards populated. These things take me almost an hour to assemble and test. :angry: And here’s the “final product.” Nearly $20 each in materials cost. :embarassed: |
| Zebidee:
Maybe you could try doing the ICs with solder paste (apply from a syringe) and hot air. Applying lines of solder paste along those rows of pins would be easy, and then you blast it with (temperature controlled) hot air. Takes a little practice to work out how much paste to put on etc., The solder naturally tends to clump onto the pins anyway. Easier than soldering each individual pin anyway. I use a "JCD 858D", which is a clone of some other brand. It was cheap (like ~US$50-70 or so) but it works well, allowing you precise control of both temperature and fan speed. I use it for all my SMD stuff in particular, but keep finding more uses. Love it for heat shrink tubing, I cringe when I see people using cigarette lighters. I just googled "??? 858D" and got clone hits on ebay for under $10! Not sure I'd trust them. Described as a "Hair Dryer Welding Tool". FFS, don't use these things to dry your hair! You'll have a bad-hair day. https://www.ebay.com.au/itm/265812816698?chn=ps&_ul=AU&_trkparms=ispr%3D1&amdata=enc%3A1Y-f6aMXgQYOW1HBTRQKmgg65&norover=1&mkevt=1&mkrid=705-139619-5960-0&mkcid=2&mkscid=101&itemid=265812816698&targetid=1598469862718&device=c&mktype=pla&googleloc=1000286&poi=&campaignid=19657035767&mkgroupid=143201283022&rlsatarget=pla-1598469862718&abcId=9305369&merchantid=614912741&gclid=CjwKCAjw1MajBhAcEiwAagW9Ma-cOSS-FDzE67-t3I1K6-mbPjsbU1ZPDJ4anxE51SumG-CV98f0zhoCBocQAvD_BwE |
| bulldawg:
I have a ton of 32pin m27c400 chips is there anyway to use them instead of 40pin m27c400? |
| pbj:
Probably. Do you have a datasheet? |
| pbj:
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