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Lauri Võsandi 2021-07-27 07:25:16 +03:00
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@ -6,10 +6,10 @@ Yet another Nixie clock project!
Some highlights: Some highlights:
* K155ID1 driven IN-12A or IN-12B tubes for hour, minute, seconds * K155ID1 driven IN-12A or IN-12B tubes for hour, minute, seconds. Use 36k resistors on these tubes.
* BS108 driven IN-6 or similar neon bulbs for digit separation * BS108 driven IN-6 or [similar 4*10mm neon bulbs](https://www.aliexpress.com/item/32344955038.html?spm=a2g0s.9042311.0.0.6ab14c4dCxpPZ0) for digit separation. Use 270k resistors on these bulbs.
* 74HC595 for serial to parallel conversion * 74HC595 for serial to parallel conversion
* ESP8266 for time synchronization * ESP8266 for time synchronization. Use 1k resistors for pull-up.
* LM1117-3.3V and LM1117-5V regulators for logic power supply * LM1117-3.3V and LM1117-5V regulators for logic power supply
* No tube step up converter on-board, pin headers for connecting * No tube step up converter on-board, pin headers for connecting
<a href="http://www.ebay.com/itm/DC-5V-12V-to-170V-DC-High-Voltage-NIXIE-Power-Supply-Module-PSU-NIXIE-TUBE-ERA-/322511957768?hash=item4b1735ef08">third party power supply</a> <a href="http://www.ebay.com/itm/DC-5V-12V-to-170V-DC-High-Voltage-NIXIE-Power-Supply-Module-PSU-NIXIE-TUBE-ERA-/322511957768?hash=item4b1735ef08">third party power supply</a>