ICL7107 based, 4 channel digital thermometer

7107 is a old, good and versatile AD converter. I’m absolutely sure that 7106-7107 family will be in use since 2005 or maybe more… ( in Romania of course )
This four channel digital thermometer was designed for use in a car who hasn’t board processor ( like our national car: Dacia 3xxx ). The thermometer can measure inside and outside temperature, water for motor cooling or ( why not ? ) driver’s temperature… The thermometer section is here:

Read More Source:
http://www.geocities.com/vsurducan/electro/
4TEMP/4temp.htm

Power Supply   Switching Power Supply   DC to DC Converter   Inverter
Battery charger   Led flasher   Motor speed controller   LM317   IC 741
RF radiofrequency   Electronic control   Digital Circuit   Alarm home system
DC to DC converter step up voltage   Mini project   Temperature control
FM receiver   Dual power supply   Fluorescent lamp   Pic microcontroller
Led display   RF amplifier   FM transmitter   LM324   LM723   TL494
2N3055   LM338   SG3525   Li-ion battery charger   Pulse generator

Circuit Project Electronic

ICL7107 based, 4 channel digital thermometer