Questions tagged [testing]
Proving the proper operation or finding faults in an electrical device. It can be done using electronic test equipment or by a software-based simulation.
613 questions
2 votes
2 answers
123 views
How do I test a Defy twin-tub dewatering motor (YYG-80-1) outside the washing machine with minimal tools?
I removed the YYG-80-1 dewatering motor from a Defy twin-tub (top-loader) washing machine because the spinner wasn’t working. I’m trying to figure out if the problem is with the motor itself or ...
1 vote
0 answers
36 views
Likeliest RAM behavior with solder bridge
Thinking about automated self-test of PCB assemblies with RAM chips... I'm working on unit testing a memory test algorithm and trying to mock the behavior1. (either SRAM or SDRAM or any other memory ...
- 3,144
1 vote
1 answer
108 views
Would this motor growler from a microwave oven transformer work? (Drawing included)
I want to make a growler to test motor rotors / armatures. I want to use a microwave oven transformer, removing the secondary coil, cutting the centre out (where the two red lines are) and removing ...
- 21
0 votes
0 answers
49 views
ESP32-C3 + sensors – need a power/voltage sanity check
I want to make a DIY gift for my boyfriend: a smart planter that waters itself. He travels a lot and… not his plants. I have access to a 3D printer and I’m comfortable with soldering, but I’m not ...
0 votes
0 answers
52 views
Operation Endurance Test Duration of DC-DC converter for EV
I am in the process of designing testing procedures for an EV DC-DC converter. I have looked up relevant global standards. One of the standards I am referring is ISO 21782-7: "Electrically ...
- 89
2 votes
3 answers
220 views
Strange or normal ohmeter measurements of IRF630 N-channel mosfets
10 new (bought on ebay) IRF630 N-channel mosfets. For all except for one of the 10 mosfets measured the following on an old multimeter on ohms x1k scale which I think uses 9 V battery. Momentarily ...
- 261
0 votes
0 answers
75 views
EMI problems with PCB (SIM7600/STM32/ESP32)
During EMI testing, I’m encountering issues with a board I designed. The board includes a SIM7600 module, STM and ESP32 microcontrollers. It is powered from a 12 V source and uses three AOZ6663DI DC-...
- 63
0 votes
1 answer
62 views
Difference between positive and negative polarity impulse voltage (1.2/50) [closed]
In cable testing, what is the difference of using positive and negative polarity impulse?
- 11