1) Input/Output Logic Chips - x4
2) Processor Logic Chip - x12
3) Memory Logic Chip - x5
4) LED display - x2
5) Cable ~ 130-150

330W - so much consume all the logical elements
120W - scheme of recording hours and minutes in LED displays (for each scheme)

LR1-LR2 - Logic Reader
MU1-MU7 - Logic Math
SU1-SU2 - Logic Select
CU1 - Logic Compare
UMU1-UMU2 - Logic Unary
M1-M5 - Logic Memory
LW1-LW2 - Logic Writer

M1 = 4 - The ratio of the angle of the sun to the minutes for half the day
M2 = 720 - Minutes in half a day (12 hours)
M3 = 60 - Minutes in an hour
M4 = 6 - Hours to shift the beginning of the day
M5 = 24 - Hours in a day

The sensor should be directed to the east, located as close to the surface and illuminated by the sun throughout the day - in this case, the moment of transition from day to night time will be almost invisible.

The description is given in the order of operation of the circuit.

1) LR1 - Obtaining the angle of the sun from the sensor
Input (1) - Daylight sensor
Output (2) - Solar angle

2) LR2 - Receiving time-of-day data
Input (1) - Daylight sensor
Output (2) - Activate

3) MU1 - Conversion of the angle of the sun in minutes for 0-180 (Day)
Input (1) - LR1
Input (2) - M1
Action (3) - Multiply

4) MU2 - Correction for the direction of counting minutes at an angle of 180-0 (Night)
Input (1) - M2
Input (2) - MU1
Action (3) - Subtruct

5) MU3 - Add 720 minutes for the night to start at 721 minutes
Input (1) - MU2
Input (2) - M2
Action (3) - Add

6) SU1 - Determination of the required minutes depending on the time of day
Input (1) - LR2
Input (2) - MU3
Output (3) - MU1

7) MU4 - Convert minutes to hours
Input (1) - SU1
Input (2) - M3
Action (3) - Divide

8) MU5 - Receiving current minutes (0-59)
Input (1) - SU1
Input (2) - M3
Action (3) - Mod

9) MU6 - The shift of sunrise to 6:00 instead 00:00
Input (1) - MU4
Input (2) - M4
Action (3) - Add

10) CU1 - Restriction of the duration of the day to 24 hours, after their shift at 6 o'clock
Input (1) - MU6
Input (2) - M5
Action (3) - Less

11) MU7 - Getting "lost" hours 0-5
Input (1) - MU6
Input (2) - M5
Action (3) - Mod

12) SU2 - Adjusting the hour value to 0-24
Input (1) - CU1
Output (2) - MU7
Output (3) - MU6

13) UMU1 - Rounding minutes to format 0-59
Input (1) - MU5
Action (2) - Floor

14) UMU2 - Rounding the clock to the format 0-23
Input (1) - SU2
Action (2) - Floor

The values of UMU1 and UMU2, we output on 2 LED-displays, for example, according to the following scheme:


1) LW1 - Record in the LED-display for hours
Input (1) - UMU2
Output (2) - LED-display for hours
Mode (3) - Setting

2) LW2 - Record in the LED-display for minutes
Input (1) - UMU1
Output (2) - LED-display for minutes
Mode (3) - Setting

The whole scheme can be placed inside one block, as shown in the pictures below