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Programmable relay switch using PIC MCU (revised version)

Programmable relay switch using PIC MCU (revised version)

Raj has documented his DIY programmable relay switch using PIC16F1847 microcontroller:

Here are the summary of the features that this programmable relay switch has:

  • On-board +5V voltage regulator (operates at 9-15V DC input)
  • OFF and ON time setup for the relay operation
  • Option for cyclic run (maximum 100 cycles, after which the timer stops automatically)
  • Stores ON/OFF times and Cyclic option from previous setup into internal EEPROM
  • ON/OFF timing range: 0 to 99 hours and 59 minutes with 1 min resolution
  • Interactive user interface using 4 tact switches and a character LCD
  • On-board buzzer alarm

More details at Embedded Lab site.

Check out the video after the break.

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