Delay OFF Timer circuit For OFF time Delay , Switch OFF Delay Timer Timer Circuit For Automatic Switch OFF Any appliance After a fix Time Duration. When switch S1 is pressed then Output Will Give HIGH signal at pin 3 and Transistor is ON , Therefore the connected load with relay is also switched on. […]
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Simple clap switch circuit diagram 220v using relay High-Sensitive Clap operated switch circuit Without Microcontroller. When clapped, Connected Load is Switch ON. Again Clap, the Load is switched OFF. A condenser mic is worked as a sound sensor. You can Switch ON and Switch OFF The Appliance At your Room by simply clapping Or by
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Touch Sensitive Doorbell Alarm switch circuit When touched the touch metal then the Alarm is switched ON and when Leave the finger from the touch plate then the Alarm is Automatically Switch OFF. This is very simple and easy because only three transistors and some other components are used, No IC required for this
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This is a circuit of very simple and easy FM Radio Receiver that Receives and Demodulate the FM frequency. You Should Connect an Audio Amplifier With output of FM receiver For Sufficient output that can listen Do you want the Audio Output. FM Radio circuit. Frequency can changed by adjusting of Variable capacitor C3.
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Light/Dark Activated Switch circuit without Relay The Working Principle of this Automatic Bulb Switch same as My previous Project Automatic Transformerless Light Switch. But Here Used A Triac At the place of Relay. In the circuit, There is no used Relay for switching. This is Automatic Light Controlled Bulb Switch With LDR Using Without Relay When
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Quick circuit of Audio Amplifier. Simple Audio Amplifier Circuit using Single Mosfet for Mobile . This is a circuit diagram of very simple and Powerful Audio Amplifier For Listen the Audio from any Mobile or Laptop. The construction of this small Audio Amplifier is very Easy and this is very simple. Use heat sink
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LDR circuit diagram LDR darkness sensor circuit This is an Automatic Night Light circuit Without Transformer operated by Light Using Light Sensor LDR (Light-dependent resistor). This Transformerless Automatic Light operated Night Light circuit is very simple and easy. At DayThe Bulb is an automatic switch off and At night Automatic Switch ON Automatic Night Bulb
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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 Some Moment Or 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 Device
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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 Extra Bass Effect. This circuit Give Clear Bass Without Any Disturbance. Bass sound is very Low frequency sound. This Low frequency sound produced by Low pass filter circuit that
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Tone Controller / BASS And TREBLE Controller When you listen audio from any sound Producer Like Tv, Radio, CD/DVD Player, Home Theater Etc. You Notice that there are a controller to control the Effect of output sound as you want to Level Of Effect of Audio listen. This may not necessary to all audio Player
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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 D-Flip-Flop 7474 ic. When Once Touch the touch plate, The Light is ON, Again If you Touch The Light is switched OFF. You can say
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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 Automatic Wash Room Light using PIR Motion Detector and Automatic Light Security Alarm Circuit using PIR Sensor. In This Circuit PIR (Passive infrared ) Motion Sensor Is used which is used as a motion Detector. When Any Person, Animal Or Any Object Comes In The Range of the sensor. then
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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 Ground and Gate terminal Then Appliance is Switched OFF And When We
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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 ON-OFF any appliance By simple Touch With the finger. ON OFF Touch switch, this is an easy and simple project. You can use any Two metal or wire with a small gap
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LDR circuit diagram Dark sensor circuit This is a light-controlled LED light Dark sensor circuit, 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 as darkness and its resistance is Decreases when Light falling on it. automatic
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