PCB board for 6 digit tube clockDesigned by Bobricius in Slovakia
You receive BARE PCB no components, one board is for 6 VFD tubes ..!!!!! PICTURE IS FOR REFERENCE ONLY !!! Tested only with IV6-tubes NOTE!!!!: more IV-3 versions with different pinout !!! IV-3 Confu…Read More…
You receive BARE PCB no components, one board is for 6 VFD tubes ..!!!!!
PICTURE IS FOR REFERENCE ONLY !!!
Tested only with IV6-tubes
AXIRIS IV-6 Shield for Arduino is super great project, specially power supply is very good designed. etc. filament is driven with AC voltage which is recommended for VFD. 12V input voltage is 3x multiplied to make about 32V I am redesigned board for easier soldering, all components are in lines with same value
I created simple CLOCK arduino sketch (firmware)
|2||1K||Ø1.8x3.2mm , tube light, optional|
|2||8.2 nF !!!||I am replaced with 100nF|
|4||22 µF 50V||-|
|2||100 µF 25V||-|
|6||LED 3mm||Tube bottom light (choose color freely) , optional|
|1||BC639||NPN “power” transistor|
|1||BC640||PNP “power” transistor|
|1||ICM7555||timer IC (must be CMOS version, do not use a standard 555 !)|
|1||DS3231||RTC chip , optional|
|1||Arduino UNO||or clone|
|28||header||spacing 2.54 mm|
|1||CR1220||Lithium battery , optional|
|1||CR1220 socket||Battery holder , optional|
|6||tube||IV‐3/IV-3a/IV-6 VFD tube|
|2||switch||angled, Microswitch TACT|
|1||Piezo 17mm||buzzer, optional|
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