Oliver Smith

How can I mount a pulse oximeter on the surface of PCB without putting too much stress?

The PCB has a pulse oximeter mounted on the surface, and it's tolerance is 0.6mm. The problem is the pulse…

12 months ago

Are there any guidance on recommended package size and type for a surface mount linear regulator IC on my board that will be hand-soldered?

I am designing a board that needs a couple linear regulators (5.5v to 3v and 3v to 1.6v) but I…

12 months ago

How much larger should a plated-through hole be than lead diameter to get good solder wetting?

I'm designing a new PCB where I have a whack of connectors that have to line up with the metalwork.…

12 months ago

Is there a surface-mount component I can put on a pad, that simply has another pad on top that I can solder something on to?

We found that edge-mounting a TO-Can package to a PCB will really save a lot on manufacturing. However, it comes…

12 months ago

How can I connect my small PCB with sensor to the bigger PCB?

My small PCB is mounting a very sensitive fragile sensor on the top surface that has to be wire bonded…

12 months ago

What are the black spots in lead-free solder joints on PCB?

I am prototyping a PCB, using Chip Quik's "SMDSWLF.031, a Sn96.5/ Ag3.0/ Cu0.5 solder with 2.2% no-clean flux. I find…

12 months ago

How do you draw pin grid array in cadsoft Eagle PCB?

I'd like to use a processor that uses a pin grid array. Basically, I'd like to make the prototyping PCB…

12 months ago

How to handle feedline of bluetooth PCB connected to a 2.4GHz chip antenna?

I'm making a 4 layer PCB prototype that uses a bluetooth mcu connected to a 2.4GHz chip antenna. I'm thinking…

12 months ago

How do you mount electronics on a vehicle chassis safely?

I want to implement a control system I designed for a light electric motorbike. I would like to mount it…

12 months ago

Is home-made soldering aluminum PCB soldering different from ordinary PCBs in factory assembly line?

I am wondering if i ordered some aluminum pcbs that contain D2pak transistors and i want to solder a couple…

12 months ago