6 ms·

I’m color blind. The markings would make everything so much easier. Having to check with someone else to make sure I get my colors right is such a pain. I hope

by gen3 7y ago

I’m color blind. The markings would make everything so much easier. Having to check with someone else to make sure I get my colors right is such a pain. I hope I can order some. Edit: If anyone can find labeled resistors for a reasonable price, I would be grateful.

lb1lf 7y ago
This is why I loved it when introduced to SMT devices. Rather than those pesky colour bands, values were stamped on in a rational manner - two digits value, one digit power of ten. Say, 106 for a 1MOhm resistor, 102 for a 100Ohm one. My lab productivity soared.
- gen3 7y ago
  I found some of them. They look super helpful. How do you breadboard things with them?
  - lb1lf 7y ago
    You mostly don't - I had a decent setup for etching, so I just quick-and-dirtied a layout, put down a few extra pads where I suspected I might need some, processed a board and gave it a go. The one important thing is to not pinch on the pincers - buy a good pair... :)
    - gen3 7y ago
      One last question: Where do you order them from? The labeled kits I see are around $120 and I’m on a college student budget. Thanks for answering my questions.
      - lb1lf 7y ago
        When I was on a student budget, I mostly asked my lab tutor kindly if I could help myself to the parts stocked by my university - the lab people were so happy someone actually wanted to build something that I was basically given free access to the parts bins. Additionally, regional distributor ELFA had bins of 1000 1% 0805 resistors for ~$10/ea, so I just purchased a couple of bins at a time as I needed them until I had an E12-ish set. If there is one nearby, I'd strongly suggest you visit a maker space - chances are they have SMT kits already.
      - Jenda_ 7y ago
        I have 0603 resistor and capacitor sample book from Aliexpress. They are for about $25 (or $15 resistor-only) and the book format is convenient. However, I still use wired parts for breadboarding.
  - blattimwind 7y ago
    You can easily use protoboard instead. 0805 goes between two pads no problem.
    - lb1lf 7y ago
      -That's very true, I should have been more specific - I mostly did circuits with the occasional IC in it - trying to dead bug a QFN or TSOP gets old fast. :)
- duckymcduckface 7y ago
  Wait what,holy shit this changes everything. Always thought those were just random manufacturer marks on smt resistors.
__jal 7y ago
Some time ago I saw an Iphone app that could "read" resistors by pointing your camera at them, but can't find it now. Googling, I see one for Android, which I don't use: https://play.google.com/store/apps/details?id=com.mhdev.resistorscanner&hl=en_US https://play.google.com/store/apps/details?id=com.mhdev.resi...
MichaelMoser123 7y ago
https://play.google.com/store/apps/details?id=com.vivid_planet.resistor&hl=en https://play.google.com/store/apps/details?id=com.vivid_plan... or https://play.google.com/store/apps/details?id=com.mhdev.resistorscanner&hl=en https://play.google.com/store/apps/details?id=com.mhdev.resi... there is an app for identifying resistor color combinations, could that help? (didn't use that myself)

by gen3 7y ago

lb1lf 7y ago

This is why I loved it when introduced to SMT devices. Rather than those pesky colour bands, values were stamped on in a rational manner - two digits value, one digit power of ten. Say, 106 for a 1MOhm resistor, 102 for a 100Ohm one. My lab productivity soared.

gen3 7y ago
I found some of them. They look super helpful. How do you breadboard things with them?
- lb1lf 7y ago
  You mostly don't - I had a decent setup for etching, so I just quick-and-dirtied a layout, put down a few extra pads where I suspected I might need some, processed a board and gave it a go. The one important thing is to not pinch on the pincers - buy a good pair... :)
  - gen3 7y ago
    One last question: Where do you order them from? The labeled kits I see are around $120 and I’m on a college student budget. Thanks for answering my questions.
    - lb1lf 7y ago
      When I was on a student budget, I mostly asked my lab tutor kindly if I could help myself to the parts stocked by my university - the lab people were so happy someone actually wanted to build something that I was basically given free access to the parts bins. Additionally, regional distributor ELFA had bins of 1000 1% 0805 resistors for ~$10/ea, so I just purchased a couple of bins at a time as I needed them until I had an E12-ish set. If there is one nearby, I'd strongly suggest you visit a maker space - chances are they have SMT kits already.
    - Jenda_ 7y ago
      I have 0603 resistor and capacitor sample book from Aliexpress. They are for about $25 (or $15 resistor-only) and the book format is convenient. However, I still use wired parts for breadboarding.
- blattimwind 7y ago
  You can easily use protoboard instead. 0805 goes between two pads no problem.
  - lb1lf 7y ago
    -That's very true, I should have been more specific - I mostly did circuits with the occasional IC in it - trying to dead bug a QFN or TSOP gets old fast. :)
duckymcduckface 7y ago
Wait what,holy shit this changes everything. Always thought those were just random manufacturer marks on smt resistors.

__jal 7y ago

Some time ago I saw an Iphone app that could "read" resistors by pointing your camera at them, but can't find it now. Googling, I see one for Android, which I don't use: https://play.google.com/store/apps/details?id=com.mhdev.resistorscanner&hl=en_US https://play.google.com/store/apps/details?id=com.mhdev.resi...

MichaelMoser123 7y ago

https://play.google.com/store/apps/details?id=com.vivid_planet.resistor&hl=en https://play.google.com/store/apps/details?id=com.vivid_plan... or https://play.google.com/store/apps/details?id=com.mhdev.resistorscanner&hl=en https://play.google.com/store/apps/details?id=com.mhdev.resi... there is an app for identifying resistor color combinations, could that help? (didn't use that myself)