How do you test a washing machine control board?
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?
I ordered PCBA for IoT device and received the hardware product with good quality. However, there is a process I…
How can I avoid loose connection between component and PCB?
It is a nice looking breadboard, but the terminals are too loose to make a good connection on any components.…
Choosing the Right PCB Laminate Material for Your Project
Selecting the optimal printed circuit board (PCB) laminate material is a crucial decision in any electronics design project. This material…
How can I pack PCBA mass product for long-distance transportation?
I purchased a batch of PCBA via FOB abroad, which means goods will have been totally mine since they are…
Do the scratches on the PCB have any bad effect to products?
We receive a batch of PCB with scratches from my supplier, but they think it is acceptable. I have never…
Why are there swirls or zig-zag lines on the PCB samples?
I send my PCB design to manufacturer for prototype, but they send back deviated PCB samples with additional zig-zag. Why…
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…
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…