It is OK, I got help from the guy who made this firmware. It works !!! about 40€, finding elements one by one on ebay or amazon, including shipping. you can add a RTC if needed !!!
Regards, Benoit. Le mercredi 14 juin 2023 à 20:36:30 UTC+2, Benoit Tourret a écrit : > Le mercredi 14 juin 2023 à 20:23:29 UTC+2, Benoit Tourret a écrit : > >> Hello, >> I made my first nixie, it is quite like "my first nixie, by Playskool" >> It's even not a nixie, this is a VFD IV-18. >> The Hardware is quite simple, a Wemos D1 mini and a small SOP-4 adapter >> for the MAX6921awi. >> the 30V is from a DC-DC converter. No PCB, simplier, you die. >> (got it here: https://www.thingiverse.com/thing:3417955) >> >> it works from scratch, just the brightness at 0, but the big dot on the >> left was on before being connected to the wifi. >> >> unfortunately, the firmware is quite awfull. : http://192.168.4.1/?B=80 >> to set the brightness to 80% >> I thought I could make something better. but no... >> >> One day, I see this project: >> https://forum.arduino.cc/t/iv-18-vacuum-fluorescent-display-ntp-clock/655222 >> this firmware is much better !!! >> ( >> https://forum.arduino.cc/uploads/short-url/hsgq9LJgaIPSupPYY7fFbfiCs7d.zip >> ) >> >> I modified the GPIO as follow: >> >> Data D4 -> D5 >> Clock D0 -> D7 >> Strobe D7 -> D6 >> Blanking D8 -> D8 (but I had to ground it to light the digits.) >> >> I could compile it, it works, except that the segments are completely >> scrambled. >> good point, the hardware is compatible, I will just have to remap the >> segments and the grids. >> >> so easy to say, but I didn't succeed in anything.... >> I made the pin connectivity of the two boards, to see the differences. >> >> Here they are: >> >> IV-18 MAX6921 HV5812 >> pin board program >> >> Segm.-A out00 hv13 >> Segm.-B out02 hv15 >> Segm.-C out05 hv18 >> Segm.-D out06 hv19 >> Segm.-E out04 hv17 >> Segm.-F out01 hv14 >> Segm.-G out03 hv16 >> Seg.-pt out07 hv20 >> Grid-1 out18 hv08 >> Grid-2 out11 hv01 >> Grid-3 out17 hv07 >> Grid-4 out12 hv02 >> Grid-5 out16 hv06 >> Grid-6 out13 hv03 >> Grid-7 out14 hv04 >> Grid-8 out15 hv05 >> Grid-9 out19 hv09 >> >> >> Is it in display.cpp or in the clock_esp_IV_18_v0_02P.ino ? >> >> Help !!! >> >> Regards, >> Benoit. >> > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/508be366-a29b-44ce-b328-45d768c85134n%40googlegroups.com.
