1. D

    Dielectric test

    Hi all I need a clarification that i have designed a PCB board which has 4 layers, and no components has only holes with supply and ground. My board has failed in dielectric test. 1) How much time i can test my board for dielectric test.(1,2,times..infinity??) 2) my conductors are so close...
  2. F

    EAGLE: Change shape of Repour All Polygon

    Hi, As you can see from the attached picture, I used some polygon area on the top side. Anyway, the surface has some empty zone close to pad that I would like to fill with copper. Do you know how to do that? Thank you.
  3. G

    How can you design a PCB for climate control as well as to turn on lights via relay?

    I’m pretty much a noob when it comes to hardware and for awhile I have been trying to figure out how to design a PCB layout. The Problem I have is trying to figure out the values for capacitors and resistors how to connect them with the other parts (like pull up resistor, bypass capacitor etc...
  4. J

    From Arduino nano 33 iot to PCB, programming MCUs

    Hi!, I would like to convert my project, which I deployed with the arduino nano 33 iot, into a custom PCB. I have already created my layout design based on the arduino schematics provided on their website. My concern is how I am going to program the code. I have some main doubts: - The BLE...
  5. shanekent

    Do you need a PCB designer to help with a project?

    Hello! If you need a PCB designer to help you with one of your projects, then I may be able to help! I'm offering my services at a low cost at the moment, so hopefully this proposition is interesting! I've been in the electronics industry for approximately 3-years at this point and over that...
  6. L

    Casio CDP-100 keyboard piano dead keys - PCB issue?

    Hi all, Newbie to both this forum and electronics! I have a somewhat old Casio CDP-100 with 8 keys that went dead recently. All other keys are fine and speakers/power are working perfectly. Schematics here: http://www.warningwillrobinson.com.au/manuals/Casio%20CDP100%20service%20manual.pdf...
  7. super7800

    first fpga schematic and pcb design help

    hello! i am a second year first semester EENG student, and for the digital project this semester we are tasked with programming a fpga to do something (i.e. clock, calculator, stop light, etc). Disclaimer: *the project requirements does not include creating a circuit. most/all are simply using...
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