741 Circuits and Projects (32)

Browse through a total of 32 IC 741 projects circuits.

High Power Car Voltage Regulator

GaryC - 01/05/2014

While traveling recently, my family had trouble powering the 5 smartphones, 2 tablets, and 2 laptops while driving [...]
smart shadow sensor alarm schematic

Shadow Sensor Alarm

T.K. Hareendran - 02/20/2013

Shadow sensors are widely used to detect the movement of a person in a confined area. Many circuits [...]
LED DC Voltage Indicator

LED DC Voltage Indicator

Jim Keith - 10/25/2012

This LED DC voltage indicator circuit is a voltmeter, rather than simply a battery tester. As such it [...]
insomnia treatment circuit

Rain Sound Generator – Sleep Aid in Case of Insomnia

P. Marian - 07/16/2012

Insomnia treatment consist mostly of sleeping pills consumption but this circuit is an alternative for that and consists [...]
audio processor circuit schematic

Audio Processor Circuit

Received by Email - 11/16/2010

This audio processor circuit features the SSM2045 IC which was developed specially for electronic music applications and the [...]
diy digital thermometer circuit schematic

DIY Digital Thermometer Circuit

P. Marian - 09/19/2010

This diy digital thermometer circuit can measure temperatures up to 150°C with an accuracy of ±1°C. The temperature [...]

Sensitive Clap Switch Circuit

D Mohankumar - 04/24/2010

This is the circuit of a very sensitive clap switch. It switches ON/OFF a White LED or electrical [...]

Panic Alarm Circuit

D Mohankumar - 03/16/2010

Imagine the Panic situation in the Midnight when an intruder tries to break into the house. This Alarm [...]
dark activated relay circuit

Dark Activated Relay Circuit

D Mohankumar - 02/19/2010

This dark activated switch can trigger a relay to operate an AC lamp at Sunset. The lamp remains [...]

Temperature to Voltage Converter Circuit

P. Marian - 01/31/2010

With this simple temperature to voltage converter circuit we can do a precise measurement of the temperature in [...]

Light Sensitive Switch Circuit

P. Marian - 01/26/2010

There are a wide range of applications for light sensitive switches: lighting, entrance door, automatic staircase, automatic opening [...]
Fan controlled by temperature circuit

Temperature Controlled DC Fan

D Mohankumar - 01/17/2010

This circuit can cool your heat generating electronic devices by operating a DC fan when the temperature in [...]
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