How can I go about making temporary test connections in PCB while prototyping without soldering?

1 year ago

I recently ordered some PCB bits from a new supplier to assemble a widget. I want to make temporary connections…

Polyimide PCB Vs. FR4 PCB: What’s the Difference?

1 year ago

Polyimide PCB and FR4 PCB are two of the most prevalent used PCB types. Though both are polymer substrates well-suited for…

What is the difference between thin film and thick film precision surface mount resistors?

1 year ago

I'm using some 0.1% precision 10k and 150k resistors. They are thin film 0603 surface mount. For a lot more,…

How do surface mount components withstand heat of reflow while through hole components can not?

1 year ago

Some online tutorials about soldering TH components, like transistors and ICs, are delicate components and can be easily damaged by…

Why the regulator broke on the PCB when it underwent vibration test?

1 year ago

I have designed a power supply card using V7805-2000. Copper thickness is 70 microns, board size is 5 cm × 5…

How do I use two antennas with a single Bluetooth module? (BLE repeater)

1 year ago

I am working on a project that uses small Bluetooth low energy (BLE) beacons to track important items. Is there…

Is solder mask a valid electrical insulator?

1 year ago

There is a copper pour over the entire top of the my PCB, which is part of GND net. It…

Stacked Via VS. Staggered Via: What’s the Difference?

1 year ago

A common question when designing complex printed circuit boards for advanced electronics is whether to use stacked or staggered vias…

Does anyone have any experience using zero-ohm resistors in an RF signal path to select antennas?

1 year ago

I've typically used RF switches for this purpose, but that's also when it was necessary to allow the antenna selection…

What Is the Process of PCB Reverse Engineering?

1 year ago

PCB reverse engineering refers to the process of analyzing and understanding the design, layout, and functionality of a printed circuit…