Questions tagged [test]
A definitive procedure that produces a test result.
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How to troubleshoot low-voltage home lighting system from 50s
My home, built in the 50s, has a Sierra low-voltage lighting system, where low-voltage 24DC switches control relays that power the normal 120AC lights. In the last week, the switches have failed ...
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2
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Measuring the capacity of a 40v lithium ion, lawnmower battery
I purchased a 40v Greenworks lawnmower battery, and it's listed capacity (6,000 mah) doesn't seem to be accurate based on what I'd expect to get out of it when mowing a lawn.
How would you go about ...
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2
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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 ...
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2
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MC1314 voltage controlled attenuator circuit not working on breadboard - what did I do wrong?
I have an old quadraphonic system with a problem that I've traced to what I think is an MC1314. (That's not the question.) So I ordered a replacement, popped in and it didn't solve the problem. I ...
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1
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Vector Network Analyzers: Bode100 vs Keysight P5000A
I have been using Bode 100 machine earlier to measure Impedance and Phase of my piezoelectric transducer.
The frequency range i work in is from 10kHz to 2.5MHz.
I was just comparing this Bode100 with ...
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How to run double main in same project? [closed]
I imported unity test harness to my project and seperated them from my production codes. As you know, there is a main belongs to my project and there should be another main to run tests. If I try to ...
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1
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The choice of method for constructing hardware monitoring and diagnostics
created a weight scale device.
I chose the software method for diagnosing my system. How can I implement it?
X1 is a load cell 5000 grams
DA2 HX711
D1 Atmeaga328
D2 shift register
H1 lcd display ...
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1
answer
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Built in Self Test - In Embedded memories
I am reading this thing called -BIST (Built in Self Test).
I understand that, before a module enters its intended functionality, this BIST is made to run within the module. Once, this BIST is passed, ...
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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 ...
4
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3
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How to test desert (Dubai-like) conditions when you are in a temperate climate
I would like to stress test an electronics device in desert (think it like Dubai) conditions, such as 40-45 degrees Celsius = 100+ degrees Fahrenheit with direct sunlight and zero humidity. I live in ...
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How do I make a battery voltage indicator using the battery being tested?
I am trying to make a circuit that will test if a 5V battery is under 5V, with the testing circuit running off the battery being tested.
I have seen other answers to this question, however they rely ...
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How to find out which side of transformer the OC and SC tests were performed?
I have this problem which states that in a single phase transformer 2200/110 50kVA No load and short circuit specifications are like below, How to find out which side of transformer were the tests ...
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Test Verilog FSM for state with no reset
My professor gave us several Verilog test files to write Verilog test benches for. In the test bench, we're supposed to initialize the state to 0, apply random inputs, and check to see if we have ...
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4
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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 ...
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1
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Open and short test for 2 ground pin
If a device has two ground pins. Using the normal open and short test will not tell if one ground pin is open and the other is good. How to detect this kind of situation?
Thanks.