I forgot a resistor on my PCB prototype – how do I add one in?

1 year ago

I need to add a resistor into a data line on my project. The data line is a trace and…

How can I minimize the moisture adsorption on FR4 PCB?

1 year ago

Although the adsorption of moisture by FR4 is quite low, what is the best way to minimize it or eliminate…

How to find a datasheet for a part that doesn’t exist on the manufacturer’s website?

1 year ago

While bored recently, I decided to take apart a few old pieces of electronic equipment and attempt to reverse-engineer them.…

Is it OK to bend a VIA in a Flex PBC?

1 year ago

On a Flex Printed Circuit (FPC) made out of Kapton polyimide, will anything bad happen if I put a VIA…

Approximately how many PCB layers would be needed to route a 1088 pin BGA IC?

1 year ago

I am designing a PCB with 1088 pin BGA IC. Haven’t handle such a big IC. I am not sure…

How can we identify the BGA area of PCB?

1 year ago

Hear about BGA PCB Assembly service, but I never order it. How can we identify the BGA area of PCB?…

Why is wireless charging not ubiquitous?

1 year ago

Wireless charging is so convenient for user because it doesn’t need any wire, but it is not so popular as…

Why the cost of repair of LEDs TVs is so high?

1 year ago

I ordered a TV repair service. It is so costly. Do you have similar experience? Why does it cost a…

How do you test a washing machine control board?

1 year ago

Washing machine does not work. Since it just bought one years ago, the components in it is not old, I…

How can I manage the firmware development precess?

1 year ago

I ordered PCBA for IoT device and received the hardware product with good quality. However, there is a process I…