Auto-Fan, automatic temperature control by 741
This circuit was designed to automatically activate a set of three or four small DC fans to cool a large cool-rib for a 10 Amp powersupply. Can be used in a variety of other applications as well.
Thank. source Auto-Fan, automatic temperature control by 741
Other circuits
versatile tone control by ic 741 This tone control circuit. A circuit design feedback tone control. This helps the smooth bass voice circuit and a rate increase – reduction of the signal at 18 dB………More
Op-amp siren sound using ic 741 This circuit is the sound generator super siren, for use be alarm signal get by live frequency generator circuit that use , op-amp circuit……More
Audible Light Sensor by IC 741 This is audible light sensor circuit that is based the IC741 op-amp IC. This circuit light sensor one,these are use two LDRs for detector lower lightly.
The 741 is pulse oscillator generator output to small speaker……More
Electronic Bell by IC 741 This is a basic electronic ell circuit, it is interesting. We use a number of IC 741, it works. When you press S1 it will mimic the sound a bell,by can be fine with VR1, VR2 and VR3,……..More
bargraph light meter with ic 741 If you want simple meter the intensity of the light in a simple way. This circuit is very interesting, because with a LED display with 5 levels.The main equipment is uA741 the most popular op-amp circuit,…….More
PIC DS1820 Thermometer This application shows how to use the PIC16F877 to control, and interface with the Dallas DS1820 1-Wire Digital Thermometer……..More
Level Detector by IC LM741 This circuit be the circuit checks voltage is easily. Or Level Detector by IC LM741 highly popular. By R1 keep fine the value voltage referable of the circuit. If Vin be valuable more than volt. The referable LED stick bright…….More
Bridge Amplifier using ic LM741 This is circuit Bridge Amplifier by LM741……More
