IR Based High sensitive Door Security Alarm circuit diagram This IR based security Alarm circuit is highly sensitive. Here A Phototransistor L14F1 is used for the detection of IR rays. 555 timer ic is used to provide a pulsed output For Emitting of IR rays at specific Frequency. The first part of the IR Security […]
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Switch ON Delay Timer Circuit Diagram Power ON Delay Timer If You Want to switch on any Load After a moment or for Some Duration, Then You Can Use this Timer Circuit. This is Tested. Timing Can be Adjusted By Adjustment of Preset. This circuit is very useful in the Protection of Any Load. A
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on off touch switch single touch on off switch circuit using 555 and 4017 ic Introduction Here I am Describing a Touch Switch Which Is operated by Only One Touch Plate. This Touch Switch Is Made using One 555 Timer IC And One Counter IC 4017. The Circuit Is Required Also Some Discrete Component Like
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Bass Booster Circuit For BASS Increase For Music Player This is The Circuit Only For BASS. By using this circuit, the audio is boosted to the Extra Bass Effect. This circuit gives clear Bass Without Any Disturbance. Bass sound is a very Low-frequency sound. This Low-frequency sound is produced by a low-pass filter circuit
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Tone Controller / BASS And TREBLE Controller When you listen to audio from any sound Producer Like TV, Radio, CD/DVD Player, Home Theater, Etc. You notice that there is a controller to control the Effect of the output sound as you want to Level Of Effect of the Audio listened to. This may not be
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Single Touch ON OFF Switch Circuit ON- OFF Any Appliance Using Single Touch Plate. In this circuit, two ICs are used: One is 555 timer ic, and the second is a D-Flip-Flop 7474 ic. When you touch the touch plate, The Light is ON. Again, If you Touch The Light is switched OFF. You can
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Two IC Used in this circuit. Multivibrator CD4047 And Opamp Comparator LM324 . 6 Power Transistors are Used to make High Load Capacity Inverter. Connection Of Transformer Must be Reversed. Reversed means The Primary Terminal Is connected with Output And Secondary Terminal Of Transformer Is connected With Input In The Circuit As shown in
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Simple Inverter Circuit This is a simple DC to AC inverter circuit project to convert a 12V DC battery become 230V AC. It can be used to power up the electronic devices which require low electrical consumption. For example for home needs to enable light loads (electric bulb, CFL, etc) at the time of
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Automatic water level controller for submersible motor Introduction This Project Is Very Useful, Interesting, And Very Effective. This Automatic Water Pump Controller With Three Stage Level Indicator Provides the Visual And Attractive LED Indication As Level Of the Water in Water Tank. When Tank is Full Then Motor Stops Automatically, In This Circuit No
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PIR Motion sensor Alarm circuit What is a PIR Sensor? | A Complete Guide for Beginners. Have you ever walked into a room and seen the lights turn on automatically? Or maybe you’ve seen a motion-activated security light that turns on when someone walks past? When someone enters a room to triggers security alarms when
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Touch switch circuit ON-OFF Touch Switch Circuit Using MOSFET. This is An Effective, Easy, Simple, And Very interesting Circuit. Only One MOSFET and One Relay is Used in this Project. Use 9v DC Supply Voltage to the circuit. When we touch on the Ground and Gate terminal, then the Appliance is Switched OFF. And When
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Touch Switch For ON and OFF any Appliance, Touch ON Touch OFF Switch Working Of Circuit This Touch Switch is used for the on-off of any appliance by simply touching it with the finger. ON-OFF Touch Switch This is an easy and simple project. You can use any two metals or wires with a
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LDR circuit diagram Dark sensor circuit This is a light-controlled LED light Dark sensor circuit, a Light-activated switch, which fully depends on Light. LDR is used in this for sensing the DARK and LIGHT. LDR is a Light Dependent Resistor, which resistance increases in darkness and its resistance is Decreases when Light falls on it.
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High quality Stereo FM Transmitter If you want to transmit music around the house, then you can make your own small radio station by making a project using this circuit. Make your radio station with this circuit and transmit music around the house. You can transmit with the connecting of your mobile phone or another
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Touch Alarm This is a simple but interesting Project. In this circuit 555 timer is used. 555 timer ic is connected in Monostable mode. A very high resistor is connected between Vcc and pin 7. When the pin 2 then it is triggered by the body because it gets a negative pulse by touching it.
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2 Digit Digital object counter Here is the circuit Diagram Of the Door Entry Person Counter project, This object counter circuit is used as a Digital Object Counter using a Two Digit Seven Segment LED Display. This can also be called People or Object counter Circuit diagram using IC 555 and IC 4033 or Digital
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Introduction What is a Mobile/Cell Phone Jammer A cell phone jammer is a small equipment that is capable of blocking the transmission of signals between cell phones and base stations. This is mostly done by creating interference at the operating frequency ranges of cell phones, which results in no signal or significant loss of signal
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This is the circuit diagram of mobile detector . This circuit can detect the RF signal From mobile phones and give a signal through Sound and LED Glow. This pocket-sized mobile communication detector or sniffer can sense the existence of a mobile device. This mobile sensor can be used to avoid the use of mobile
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Mobile phone detector circuit This detects when any mobile phone active in this range. Active means when incoming, outgoing, SMS transmission, or audio/video transmission by mobile. This detects signals of an active mobile phone even in silent mode. This is useful in that places where the mobile phone is prohibited like Offices, Classroom, Hospitals, Exam
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Automatic Temperature controlled DC FAN Controller Circuit We use many electronic gadgets like power Amplifiers, SMPS, Inverters, and AC-DC converters, etc. These gadgets use ICs that generate more heat during operation and required any temperature controller for Cooling to control the heat for protecting the devices. This circuit is ideal to control the cooling fan
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