Electronics - free electronics projects

These are electronics projects that I enjoy doing and they are almost done.
May some of you found them usefull so please take a look:

Digital clock/date/thermometer with PIC16F84/PIC16F628/PIC16F690 CC/CA with DS18S20/DS18B20
Digital clock/date/thermometer/thermostat with PIC16F84/PIC16F628 CA with DS1621/DS1631
Big digital clock/date/thermometer with PIC16F84/PIC16LF628 with DS18S20/DS18B20 using 14 or 6 leds/segment
Dual or single thermometer with infrared support with PIC16F628/PIC10F322 and DS18S20/DS18B20