Oliver Smith

How do I solder loose wires to a flexible PCB?

Try to repair electronic sphygmomanometer now. It seems wires fell off from the flexible PCB, leaving trail on there. How…

1 year ago

Is the FR4 Isola 370HR PCB important in PCB?

I receive the samples BOM of our PCBA factory. It remarks that PCB is FR4 Isola 370HR. What is this…

1 year ago

How can I fix my “D” key that sometimes isn’t responding when I click on it?

My mechanical keyborad is brand new so I cannot find where the culprit is. How I fix the key?

1 year ago

Why do people use multiple layers PCB? What are they required for?

We seldom use multiple layers in our product ranges, which cover all types of smoke alarm. What are they required…

1 year ago

How do you design a noise cancelling circuit?

I mean, headphones or ear buds are capable of reducing the ambient background noise. Can it realize by circuit design…

1 year ago

How can I make electrical connections over v-score line?

I was thinking how to make electrical connections over v-score line year ago and I was thinking that there is…

1 year ago

What are molex connectors? What are they used for?

My PCBA supplier use molex connectors on the samples order. What are they? What does they feature?

1 year ago

Is it possible to replace an automotive wiring harness with PCB?

Is it possible to replace an automotive wiring harness with PCB? For example, just have the cables attached on either…

1 year ago

What are some of the benefits and downsides of moving from a two layer PCB with components on a single side, to a four layer PCB with components on both sides?

We got a quotation sheet of four layers board but it greatly exceed our budget. So now we are thinking…

1 year ago

Is it better to have round corners on a PCB?

When I visit the PCB showroom in factory, I find that there are some pcs with round corners. Is it…

1 year ago