Dfferential Temperature Relay Switch by IC 741

Dfferential Temperature Relay Switch by IC 741
This is Circuit Dfferential Temperature Relay Switch .
Use IC 741 for control relay ad Diode D1,D2 for sencer Temperature . VR1 for adjusable voltage

AVR LCD Thermometer by LM35
The LM35 of National Semiconductors that is used in this project is a precision centigrade temperature sensor, which has an analog output voltage. It has a range of -55ºC to +150ºC and a accur ...
Temperature Window switch by IC 741
This circuit, is basically a resistance ï¿½ sensing window switch, except that the ï¿½resistorï¿½ takes the form of an NTC thermistor and the circuit thus responds to temperature. TH1 must hav ...
Temperature Monitor with IC LM741 or LM301
My Friend want circuit Temperature Monitor for control relay. I find on internet , See to This Web http://www.mitedu.freeserve.co.uk/Circuits good article circuit. The Temperature Monitor use ...
DIY Dual Fan Controller Project
The project helps you control two fanâ€™s to cool whatever you need. It works by cooling with the first fan when the sensor detects a user adjustable temperature, and it turns the second fan o ...
Room temperature controller by PIC16F873
On this page, I will introduce the room temperature controller with PIC. This equipment uses two temperature sensors, drives external equipment, and keeps the temperature of the room at preset ...