Questions tagged [continuity]
Checking of an electric circuit to see if current flows.
48 questions
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Measuring resistance of a circuit with a diode in series
I have various circuits with a 1N5818 diode and resistor in series. I need to perform a continuity check from end to end. I assumed the multimeter would read approximately the resistor value, however, ...
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Testing thermostat of old refrigerator
I have removed the thermostat (model Kdf29n4) from a faulty refrigerator, that all the time got so cold that everything froze, and now I want to test whether the thermostat is defective (or if the ...
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PLC Panel Contintuity Tester
I'm trying to build a simple Unistream PLC panel continuity tester, I'm simply struggling to understand how PLC works and create a simple continuity tester for it.
The test jig simply provides 24V to ...
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Lack of continuity across negative terminals
I am driving some solenoids (clippard) with a hit and hold circuit. Recently, my solenoids have stopped responding.
I have my solenoids wired such through a MCP23017 module so that they can be ...
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Multimeter that beeps even if the probes are separated
I have a quite new Keysight U1242C with its own test lead set. When I put the multimeter in "continuity test" mode, it should "beep" when the probes touches together.
Instead, it ...
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Low current continuity checker
Let me preface this by saying I have minimal electronics experience and reading data sheets is slightly confusing, but I get a gist of how most components work.
I am making a lower current continuity ...
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How can I make a continuity check for a model rocket igniter?
I am currently working on a model rocket controller. It should fire a rocket model using a standard model rocket igniter (e-match). To ensure safety, I want to check for continuity trough the igniter. ...
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In circuit debugging using continuity test on DMM give un-predictable results
I did a continuity test, between a ground point of my PCI card (audio) and a resistance (47Ω SMD). No beeping sound on both ends of the resistance.
After I de-soldered the resistance from the board, I ...
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Why 230 V shows up in a staircase light circuit even though 'live' is disconnected? Why is there no continuity between the light bulb and neutral?
There's a staircase light circuit in my house similar to the one shown below.
I disconnected 'live' from the switch on the left and measured the voltage between its 'L1' terminal and neutral and then ...
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Ribbon Cable Pin Assignment
Preface: I am complete novice at electronics and this is my first project.
I am trying to connect two PCB together with a 10pin ribbon cable. The ribbon cables I made (and bought) are all showing ...
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How to know which component in a PCB is causing the short if they're connected in parallel?
The problem is that I have an increased current in my whole circuit than should be, the required current is 0.26 amp, but I have 0.45 amp.
After conducting continuity tests, I found that one of the ...
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Add buzzer to multimeter
How can I add a buzzer to my EverStart Digital Multimeter 10711WDI circuit board, so that it buzzes when there is continuity?
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Polarity of a circuit
TLDR: Trying to determine polarity of pads, findings in the pics.
I’m new to electronics.
I’m trying to replace an annoying proprietary barrel connector with a direct wire to a dc power supply. I ...
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Any way to test continuity of a potentially live circuit?
I'm trying to add an indicator to a relay circuit; specifically, I want to know if it's open or closed in a way that can detect contact welding. (I considered a DPDT relay, but it looks like these ...
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Why does the multimeter detect continuity between live and neutral of my appliance? [closed]
I was doing some random checks with my new multimeter and while doing a continuity test I heard the beeping noise when connecting the multimeter to the live and neutral ends of the plug for my 220v ...
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