Categories

Posts Tagged ‘ebay’

7 segment display controlled by simple SPI interface

Monday, September 17th, 2012

Touch let us know about these 4 digit SPI controlled 7 segment displays that cost a little less then $1 a piece. They include decimal separators and a colon separator so it's easy to display time. I picked up some cheap 4 digit 7 segment displays over on eBay for...

Tags: , , ,
Posted in parts | 6 Comments »

Pads tearing off of PCBs

Wednesday, July 18th, 2012

Voidptr got a board from eBay that may have used an exceptionally cheap PCB. He soldered some pinheaders to the board and with slight pressure the pins flew of the board: I just got this ebay board and got a bad surprise, I soldered the header, did not overheat it...

Tags: ,
Posted in PCBs | 19 Comments »

Recent Comments

  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!
  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...
  • jose: Part removal described here is pure butchery, the cheapest hot air station will do a fast and clean job removing the QFP, heat air to...
  • Cody: Yes please