4047 Circuits (11)

Browse through a total of 11 4047 Circuits.

toilet cistern overflow monitor schematic

Retrofit Toilet Cistern Overflow Monitor

T.K. Hareendran - 08/01/2016

Toilet cistern overflows not only waste water but increase the risk for slip-and-fall injuries. The retrofit cistern overflow [...]

12V DC to 220V AC Inverter Circuit

P. Marian - 08/13/2013

This is a quite simple DC to AC inverter that provides 220VAC when a 12VDC power source is [...]

4047 Datasheet

P. Marian - 05/01/2011

The CD4047B is capable of operating in either the monostable or astable mode. It requires an external capacitor [...]

Portable Solar Power Inverter

T.K. Hareendran - 09/28/2010

A compact and portable 12V solar power inverter circuit that will keep away darkness. This tried and tested [...]

Retriggerable Monostable Circuit

D Mohankumar - 08/31/2010

CD 4047 is the low power Monostable / Astable Multivibrator that requires only an external capacitor and a [...]

High Power IR Infrared Transmitter

D Mohankumar - 12/04/2009

This Infrared transmitter can activate IR based switching circuits from a distance of 10 meters or more. It [...]

Stereo Encoder with High Separation

P. Marian - 11/02/2009

A higher channel separation stereo encoder built with 3 iC's 4066, 4047, 4013 and 741. It has a [...]
DIY 12V to 220V DC to AC converter built with CMOS 4047

12V to 220V DC to AC Converter Circuit

P. Marian - 10/22/2009

This DIY 12V to 220V [su_tooltip content="direct current" size="6" style="bootstrap"][su_button] DC [/su_button][/su_tooltip] to [su_tooltip style="green" position="north" content="alternating current" [...]
electronic mouse repellent circuit schematic

Electronic Mouse Repellent Circuit

Received by Email - 09/23/2009

This electronic mouse repellent circuit was designed because most people agree that rats and mice are not welcome [...]
ultrasonic pest repellent circuit schematic

Electronic Pest Repellent Circuit

P. Marian - 04/25/2009

There are many ultrasonic pest repellent devices available on the market but a major drawback is that their [...]
stereo encoder circuit schematic

Stereo Encoder Circuit

P. Marian - 05/10/2008

This simple stereo encoder circuit schematic is build with 2 IC MMC4066E and MMC4047 and one transistor BC547B. [...]
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