Digital clock with vacuum fluorescent display made in U.S.S.R. IV-18. CPU AT89C2051, RTC DS1302, time backup one week!!!, alarm, date, thermometer with DS18B20.
Hi, this display works at 4.3 V filament and 28 V grids and the segments (catalog data). Lower and higher voltages are not recommended, reducing the life saver.
Hi, this display works at 4.3 V filament and 28 V grids and the segments (catalog data). Lower and higher voltages are not recommended, reducing the life saver.
KVPetr 9 months ago