A thermistor and preset pot lets you set the temperature at which the relay will energize.
COMMENTS Homer SUGGESTIONS

Temperature Switch No.1 - Photograph

 		MORE CMOS PROJECTS

Thermostat No.1
Schematic 		The Rest of Ron's Circuits Write To Ron More Free-to-Use Circuits Circuit Exchange International


When The Temperature Rises - The Relay Energizes

This is a photograph of Thermistor Controlled Relay No.1. The variable resistor let you set the temperature above which the relay will energize. A second version of this circuit - Thermistor Controlled Relay No.2 - will energize the relay when the temperature falls below the preset level.


A Photo Of Ron J's Temperature Controlled Relay Circuit No1


Click here if you're new to constructing stripboard projects.

Thermostat No.1
Schematic 		The Rest of Ron's Circuits Write To Ron More Free-to-Use Circuits Circuit Exchange International
Free Web Hosting