1answers

[PCB Prototype] will this board work with these cells?

https://www.pcbway.com/project/shareproject/96Ah_12v_Headway_battery_for_Car_Audio_bf493db6.htmlhttps://www.evcomponents.com/headway-40152s-17ah-lifepo4-cell.html
2answers

[Others] How Can I use my Beans ?

I've got around 2.5K beans in my account and not sure how to use them. Can I use them to buy goods in the PCBWay shop ?
1answers

[PCB Prototype] i want to make a metal detector but dont know wich circuit to use i found oscilator circuits but idk if they are good can som1 pls help me with a good circuit

i want to make a metal detector but dont know wich circuit to use i found oscilator circuits but idk if they are good can som1 pls help me with a good circuit help pls
1answers

[PCB Prototype] can I have a via in a pad

Can I have a via from the back to the front where there is an ic pad.
0answers

[PCB Prototype] Where can I get impedance tuning values for a 4 layer board?

I need to set up a differential pair of traces on a PCB for 90 ohms. I cannot find what values for epsilon I should use on the stackup page for FR4. In fact, I cannot find the epsilon value anywhere. ...
1answers

[PCB Prototype] MultiROM Cartridge for Timex Computer 2068

is the MultiROM Cartridge for Timex Computer 2068 (TC2068) fully built, so all i have to do is insert it into the computer
2answers

[PCB Prototype] how to import gerber file in eagle version 7 ? thanks

im confuse about gerber file
3answers

[PCB Prototype] Flexible Polyimide PCB conductive glue questions

1. What are kinds of conductive glue PCBway is using? Where can I find specification for the conductive glue?2. Is it possible to have glue on top and bottom side of the circuit board?3. Is it possibl...
0answers

[PCB Design] PCB for a Portable Bluetooth Speaker Using the BT4840 Module

Design a PCB for a wireless stereo audio system. What are the critical considerations for integrating the BT4840 module into the PCB to ensure optimal audio performance and Bluetooth connectivity?Refe...
1answers

[PCB Design] 100ohm impedance 4-layer flexible PCB design

I want to design a ~30cm long 4-layer flexible PCB which requires 100ohm impedance match for the differential pairs. It seems like as the dielectric layer is very thin, it's hard to do that. Do you ha...
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