Hi,
just tray to change value of anode resistor. 10k is to high for this
tube,
so finally all digits glow together.
Tray this:
R=(190V-140V)/0.002A=25k
Regards
Krzysztof
Dnia 2012-10-15 18:57 mpestkow napisał(a):
Hi all,
That's my first post, but I hope I get an answer to my huge
beginner
problem. So, I've recently started to build my own Nixie clock. I have four
LC-531 nixie (Polish production) gathered from old Unitra Multimeter. All of
them works fine when I'm trying to connetct it to HV source (Voltage
converter 9V->150-220V - schematic) I'm using ~180-190V and 10k resistor (is
it good?).
Few days ago I finally get some 74141 and I was trying to test
it, so I
connected it to ATtiny2313 like this:
and program MCU with that code. It should count on Nixie lamp
from 0 to 9
(2 sec per digit).
Double checked all my connections and as the result I've got
Nixie lamp
with all digits glowing in the same time.
I also checked 74141 using LED diods (+ to 5V and - to 74141
outputs) and
it works fine (diodes light one after another)
Any suggestions what I'm doing wrong? It seems to in some way
all outputs
are connected to GND when using HV to my nixie (works fine with LED).
EDIT If I'm missing any electronic part here, please provide me
info how
to connect it and how it will help, I 'm Software Engineer and unfortunately,
I'm not good in whole electronic stuff (yet :) )
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