Hi everyone,
A few nights ago I threw together a simple neon ring counter with some parts I had lying around
After experimenting for a couple minuets I got it to work with a SPDT switch and some 50V caps I scavenged
theres a video of it on youtube here, my question is, i thought they were only supposed to trigger on a positive input pulse, but with mine it triggers both when i make the capacitors high (180V), and when i make them low (0V)
I have some ideas in my head as to why this is, but i really don't know, and was wondering if anyone else did
In addition to this, I was messing around and when increased the lower resistors enough the tubes began triggering themselves, I believe this to be because enough of a negative charge is building up on the capacitor that it forces the next tube to light, but I was wondering if this assumption would be correct
And finally, when I added another resistor in parallel to the large bottom ones when it was self triggering, the tubes all began flickering almost too fast to perceive and i heard a loud buzz like an angry wasp, i didn't mess with this for fear of damaging something, but i was wondering why it was happening
I realize this is a long post, thanks for reading it and thanks in advance for explaining things
A few nights ago I threw together a simple neon ring counter with some parts I had lying around
After experimenting for a couple minuets I got it to work with a SPDT switch and some 50V caps I scavenged
theres a video of it on youtube here, my question is, i thought they were only supposed to trigger on a positive input pulse, but with mine it triggers both when i make the capacitors high (180V), and when i make them low (0V)
I have some ideas in my head as to why this is, but i really don't know, and was wondering if anyone else did
In addition to this, I was messing around and when increased the lower resistors enough the tubes began triggering themselves, I believe this to be because enough of a negative charge is building up on the capacitor that it forces the next tube to light, but I was wondering if this assumption would be correct
And finally, when I added another resistor in parallel to the large bottom ones when it was self triggering, the tubes all began flickering almost too fast to perceive and i heard a loud buzz like an angry wasp, i didn't mess with this for fear of damaging something, but i was wondering why it was happening
I realize this is a long post, thanks for reading it and thanks in advance for explaining things
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