Brookleys Electronics Guides Advice Reviews

I had to redo the alarm on a bigger PIC. This time i used the PIC18F448 (40 pin PDIP) Also i used a 2 wire technique to display on lcd. Now i have a nice keypad also.

This video demonstrates how to build your own door alarm using the PIng))) Ultrasonic Sensor and Parallax Serial LCD display. For full documentation and source code, visit: http://forums. parallax. . . .

Testing stage of alarm with lcd

Hi. . . its been a while but hey heres my 2nd video. . .

this too is an lcd clock/calendar but with an alarm feature and yes a Real Time controller(means if battery dies u still have the time set, jus. . .