Skip to main content

All Questions

Tagged with
8 votes
2 answers
3k views

How to program MCUs and test PCBs in mass production?

I am working on a PCB which includes an microcontroller (STM32), some sensors and a BLE module. Right now it is still a prototype, only 3 units have been produced. To program the microcontroller, I ...
JackOfHearts's user avatar
2 votes
1 answer
347 views

How to go about debugging PCB Power Supply Circuits to ensure correct output voltage?

I'm currently soldering, testing and validating the components on this PCB that I designed a few months back. As it is right now I have soldered the 1.2V, 2.5V, 3.3V and 5V buck converter power ...
JAlbers's user avatar
  • 55
1 vote
2 answers
672 views

Noob soldering help: test pad repair

So I haven't soldered in years and only have experience with through hole soldering and large components. Today I attempted a repair with a HTC Vive controller. I know where to solder and managed to ...
Z.Davey's user avatar
  • 11
3 votes
7 answers
2k views

Testing process before PCB assembly

I have a specific question regarding test and verification of circuits on PCBs such as the following one: Since I am not from the electronics industry and never been in such a place I thought someone ...
floppy380's user avatar
  • 1,885
2 votes
4 answers
3k views

Oscilloscope probe points

The answer to another question identified two PCB-mounted scope probe "holders": I can't find these at any distributor's web site because I don't what they are called. Can someone, please, give me ...
Brian K1LI's user avatar
2 votes
2 answers
3k views

Test a transistor with a multimeter

I used the guide at https://vetco.net/blog/test-a-transistor-with-a-multimeter/2017-05-04-12-25-37-07 to test a transistor with my DMM. The NPN transistor I used to test is the "mospec tip130 No11D" ...
Maverick's user avatar
  • 291
0 votes
2 answers
385 views

led analyser for pcb functional test [closed]

i'm supposed to work on a project that consists on creating a led analyser to test PCB (functional test) they want me to create a system that can measure the color (R,G,B) and the luminous intensity ...
Man Noula's user avatar
0 votes
1 answer
124 views

How can I properly test compatibility of a replacement led on a pcb?

I am looking to replace an led on this board, but I am unsure of what this current led's specs are in terms of what amperage and voltage are used by the led. I am curious what ways I can test to make ...
XaolingBao's user avatar
-3 votes
1 answer
158 views

Beginner question: PCB testing [closed]

I have a question about my PCBs. So my previous versions haven't worked; I know why, but I'd like to know is there a way I can test to see if the circuit will work? If there is can someone let me know,...
HLatfullin's user avatar
0 votes
4 answers
10k views

Troubleshooting PCB of an ATX power supply? [closed]

Im new to PCBs, know the basics of electronics and testing of individual components. I have a PCB (of an ATX supply) that is not working when I power it, so I thought of testing each components like ...
techloris_109's user avatar
5 votes
2 answers
2k views

How to test RF (1GHz) PCBs?

I have a number of RF PCBs. I would like to test these PCBs, so can someone guide me as to how to test these PCBs. The list of the PCBs that I want to test is mentioned below. 4th order Butterworth ...
Neel Mehta's user avatar