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Project

Learn how to put a PIC microcontroller to sleep

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Author: Rajendra Bhatt

Last Updated: 2011-10-11

Package Version: 1.0.0.0

Category: Other Codes

Downloaded: 2778 times

Followed by: 1 user

License: MIT license  

This is actually an experimental tutorial that shows how to put a PIC microcontroller into Sleep mode to lower the power consumption in battery-powered applications. I used PIC16F628A and MikroC Pro for PIC for illustration.

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DOWNLOAD LINK RELATED COMPILER CONTAINS
mikroC PRO for PIC
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc

Project Blog

The Sleep feature of PIC microcontrollers is an extremely useful mechanism to minimize power consumption in battery-powered applications. In Sleep mode, the power consumption is lowest. The device can be woken up by an external reset, a watch-dog timer reset, an interrupt on INT0 pin, or port-on-change interrupt. This project describes how to put a PIC microcontroller into Sleep mode and then compares the current consumption during Sleep mode and the normal operation mode.

Circuit setup

Circuit setup

An ammeter is connected in series to monitor the current drawn from the source.

View full image
Sleep mode current

Sleep mode current

Current consumption in sleep mode is minimum.

View full image

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