PIC cookbook. Vol. 1, A collection of working application ideas

DDM4 LCD display module driver as a DVM 
PIC wakeup using a Piezo disk 
PWM generation on a 16C71 
Traffic light sequencer 
Sine wave generator 
DTMF signal source 
BCD switch multiplexer 
Car left / right / hazard timer 
Pedestrian crossing simulator 
RS232 routines for 16C73174 
TSM4000A LED display driver 
PIR Security Centre 
Square wave tone generator 
Radio control system 
Seat positioner 
Radar Speed Sensor Interface 
Rockwell GPS to PIC interface 
Watchdog timer demo 
RTCC interrupt based led flasher 
UTP (RJ45) cable tester  
Software hysteresis for analogue input 
on a digital port pin 
Long term CR based timer 
Ram extension using external ram chip 
Mains frequency indicator 
Triac control of ac load power 
EEPROM routines 
Magnetic swipe card reader 
Software protection dongle 
Melody player 
Infra red data link 
Boat/caravan intruder alarm 
Macros 
Include files
Serial data transmission and reception - UART software 
String lookup and display 
Dot matrix lcd driver 
Real time clock interface 
Interrupt driven keypad