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4011 Circuits (10)

Browse through a total of 10 4011 Circuits.

humidity sensor circuit

Humidity Detector Circuit

P. Marian - 10/26/2013

This humidity sensor consists of 2 copper conductors that are located at small distance from each other. The [...]
touch light switch schematic

Simple Touch Light Switch Circuit

P. Marian - 06/25/2013

This is a very simple touch light switch circuit that uses the 4011 IC, one transistor and a [...]
high voltage converter circuit schematic

High Voltage Converter Circuit

P. Marian - 05/27/2011

Starting from a 30 volt power supply this high voltage converter circuit can deliver a voltage between 0 [...]
datasheet

4011 IC Datasheet

P. Marian - 04/28/2011

The HEF4011B is a quad 2-input NAND gate. The outputs are fully buffered for the highest noise immunity [...]
door ajar alarm circuit schematic

Door Ajar Alarm Circuit

T.K. Hareendran - 11/05/2010

Ever accidentally left your front door ajar and had a pet escape? Here is a smart solution to [...]
cheap metal detector circuit schematic

Cheap Metal Detector Circuit

Received by Email - 09/09/2010

The working principle of this cheap and easy to build metal detector circuit consists in mixing two equal [...]
touch switch with 555

Touch Switch Circuits

P. Marian - 08/24/2010

Here is a great collection of touch switch circuits. A touch switch is an electronic device that enables [...]
digital volume control circuit diagram

Digital Volume Control Circuit

Received by Email - 01/18/2010

The heart of this digital volume controller DVC circuit is IC2 4067, 16-channel analog multiplexer. Because the 1kΩ [...]
digital bike tachometer circuit schematic

Digital Tachometer Circuit for Bikes

Received by Email - 10/26/2009

This DIY digital tachometer for bikes uses two reed switches to get the speed information of the bicycle. [...]
electronic potentiometer circuit schematic

Electronic Potentiometer Circuit

P. Marian - 09/08/2009

This is a digitally controllable electronic potentiometer. The heart of the circuit is a 16 channel analog multiplexer. [...]
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