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  • Standard Multi-layer PCB Stackup

    There are different ways of stacking up the layers in the PCB design. The attaced pdf file shows how the layer stack-up is carried on by the most PCB fabricator for a standard PCB which has the thickness of 0.062" and 1 oz of copper weight. Attachments…
  • Bittele Electronics Inc.

    Bittele Electronics Inc. is one of the EMS provider. The do PCB fab, assembly and parts procurement. They have online quote tools and looks like a good deal to me. They seem to do PCB fab in China and for assembly, they seem to have two options one in…
  • [Upcycle It] Nixie Display #5 - I2C Interface to display drivers

    << Previous Blog Index Next >> In blog post [Upcycle It] Nixie Display #2 - Investigations I explained my plan to replace the 7490's with a small circuit board with an I/O extender in order to drive the BCD inputs on the 74141 display drivers . Member…