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I have a question about the v2 mainboard. I just finished the mainboard. I did the voltage checks and everything seems all right, except the 3V battery. I have 5V on the 7805 and 4,8 on the VCC of both chips. I also have 220V on the high voltage part. When I measure the battery it self it has 3V. Wh...

Thank you for the reply!

Can't wait till the rest of the parts arrive

I will have to check the chip for shortcuts first. I fear I used too much flux.

There is a marking dot on the IN-16 pcb on the bottom right. On the IN-14 the was a dot on the top left I read however in a previous message that the dot should be on the lower left on the IN-14 pcb. I am a bit confused now. Is there a way I can check the correct position of this chip? For example t...

I have finished the mainboard for the v2 nixie, but I fear I made a mistake with the header board. Can you confirm if the direction of the TLC chip is right? The dot is on the top left (see image)