The clock on the gas discharge indicators

Four gas discharge indicators IN-14, microcontroller #ATtiny88, microchema DS3231SN, movement sensor RCWL-0516. Dynamic indication, time display in the 24/12 format, date display, developed settings system (light diode lighting, timely sound signals, the inclusion of indicators by signal from the movement sensor with the time-out, etc. and p. Visual effects of the slot machine (in two options) and smooth shift of numbers. Written on #C.