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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Diver300's latest activity

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    Diver300 reacted to rjenkinsgb's post in the thread current driver is saturated problem with Like Like.
    PIDs are normally used in closed-loop systems; they allow the control to match the part being controlled by giving an approximate...
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    Diver300 replied to the thread Transient voltage issue.
    I think you've got the regulator drawn the wrong way round. I had an issue with regulators failing some time ago...
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    Diver300 reacted to Galgso's post in the thread Newbie Level-0 LED Question with Like Like.
    The figure you see quoted in datasheets is the maximum continous current the LED is rated to withstand without failing. The LED is...
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    I agree that you may need to suppress the contactor coils to prevent damage to the controller contacts. However a flywheel diode will...
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    Diver300 reacted to rjenkinsgb's post in the thread Newbie Level-0 LED Question with Like Like.
    LED are diodes. Normal LEDs do not conduct significantly below a specific voltage, but once that voltage is reached, trying to increase...
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    I suggest that you try a new car battery. When the engine cranks, the battery voltage will always drop quite a lot. The electronic parts...
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    Diver300 replied to the thread 12v battery, 18v magic.
    Cheap battery chargers will often have no smoothing capacitor. The peak voltage may be as much as 17 V but the average voltage will be...
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    Diver300 replied to the thread Fuel Auto Shutoff.
    Those are mechanical fuel pumps. They have the advantage of not needing electricity and no danger of feeding fuel if the engine isn't...
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    Diver300 replied to the thread 12v battery, 18v magic.
    An 18 V battery mower will almost always cut off at some voltage to protect the battery, and I would expect that voltage to be somewhere...
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    Diver300 replied to the thread 100uF bypass Caps?.
    I have never been able to fault-find I²C without an oscilloscope or logic analyser. Often, on I²C, the low voltage levels are slightly...
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    Diver300 reacted to schmitt trigger's post in the thread 100uF bypass Caps? with Like Like.
    Do you have a logic analyzer or a scope with LA capabilities? If not borrow one. I once had a stubborn timing issue which would have...
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    Diver300 replied to the thread 100uF bypass Caps?.
    100 µF capacitors in 0805 are pushing the limits of what can be achieved and they don't work nearly as well as physically larger 100 µF...
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    If you have a toroidal transformer you can adjust the voltage by adding turns of wire through the middle of the toroid. A few turns in...
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    You need to get the crimp terminals out of the plastic housing. There will be some sort of clip to hold them in, and there may even be...
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    Diver300 replied to the thread Fuel Auto Shutoff.
    What sort of pump do you have? On carburettors it usual to have a pump that only creates a few PSI. The flow of air pulls fuel from the...

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