You might have seen many videos around you tube showing off crazy LED cubes, forming 3-D structures etc. But haven’t find anything that explains how this is being done. Well searching over internet i found this great project made using a PIC 16F688 microcontroller used to control a 5×5x5 LED matrix cube.
Digital Clock and Temperature
This is a digital clock and temperature display which is alernate display between time and temperature.
Feature
- Display time 24-hour format. 00:00 – 23:00
- Use DS1307 RTC with 3V betterry back-up.
- 1 channel temperature sensor(DS1820)
- measures temperatures from -55 to + 125 degree Celsius.
- Temperature accuracy 0.5 ‘C
- software compiled with CCS C compiler V 3.222
Block diagram
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Time Interval Relay Circuit for the clock circuit above
This is a programmable clock timer circuit that uses individual LEDs to indicate hours and minutes. 12 LEDs can be arranged in a circle to represent the 12 hours of a clock face and an additional 12 LEDs can be arranged in an outer circle to indicate 5 minute intervals within the hour. 4 additional LEDs are used to indicate 1 to 4 minutes of time within each 5 minute interval.
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