http://www.youritronics.com/pic16f877-and-4x5-keypad/ DIY, Electronics, IT, Gadgets Sat, 28 Jan 2012 20:46:04 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.youritronics.com/pic16f877-and-4x5-keypad/comment-page-1/#comment-1168 Florin Fri, 30 May 2008 20:04:00 +0000 http://www.youritronics.com/pic16f877-and-4x5-keypad/#comment-1168 if you follow the link provided at the end of the article you'll find every bit of information you'll need if you follow the link provided at the end of the article you’ll find every bit of information you’ll need

]]> http://www.youritronics.com/pic16f877-and-4x5-keypad/comment-page-1/#comment-1167 endalkachew ali Fri, 30 May 2008 17:05:52 +0000 http://www.youritronics.com/pic16f877-and-4x5-keypad/#comment-1167 please kindly send your support how i can connect or interface key pad 4x4 with PIC16F877 with assemble program. please kindly send your support how i can connect or interface key pad 4×4 with PIC16F877 with assemble program.

]]> http://www.youritronics.com/pic16f877-and-4x5-keypad/comment-page-1/#comment-938 Electronics-Lab.com Blog » Blog Archive » PIC16F877 and 4×5 keypad Thu, 24 Apr 2008 07:27:05 +0000 http://www.youritronics.com/pic16f877-and-4x5-keypad/#comment-938 [...] The circuit here described is a simple 4×5 keypad that can be used in particular with the PIC 16F877 microcontroller, for which it has been designed considering a supply of 5V, 16F877 I/O pins leakage current, the voltage level recognized as a high or low state while in TTL or ST mode, etc.. Since this circuit is quite simple, and the resistors’ value not critical, it should be suitable for other PICs and other microcontrollers, too. [via] [...] [...] The circuit here described is a simple 4×5 keypad that can be used in particular with the PIC 16F877 microcontroller, for which it has been designed considering a supply of 5V, 16F877 I/O pins leakage current, the voltage level recognized as a high or low state while in TTL or ST mode, etc.. Since this circuit is quite simple, and the resistors’ value not critical, it should be suitable for other PICs and other microcontrollers, too. [via] [...]

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