Microchip logo
  • All
  • Products
  • Documents
  • Applications Notes

AN_8013

Title:
AVR245: Code Lock with 4x4 Keypad and I2C LCD on a tinyAVR
Name:
AN_8013
Date:
10/01/2005
Description:
This application note describes how to build a code lock with an tinyAVR and a handful of components. The code lock uses a 4x4 keypad for user input, a piezoelectric buzzer for audible feedback and an LCD for informational output.
 
Application Notes & Source Code
 Last Updated
Size
 
  AN_8013
  12/11/2016
  148KB
  AN_8013 Source Code
  01/02/2017
  104KB
Silicon Products