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Touch Switch For ON And OFF Using 555

Touch Switch For ON And OFF Using 555

  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 to making touch Point. Touch […]

Light Activated Switch using Transistor

Light Activated Switch using Transistor

LDR circuit diagram Dark sensor circuit This is a light-controlled LED light 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 street light circuit diagram     In […]

Touch Alarm Switch Circuit using 555

Touch Alarm Switch Circuit using 555

 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 touch the pin 2 then it is Triggered by the body because it get a negative pulse by touching it. When touch the […]

Automatic Night Lamp Using LDR

Automatic Night Lamp Using LDR

LDR darkness sensor circuit dark sensor circuit  This Automatic light operated light switch circuit is Based on LDR. LDR is a Light Dependent Resistor. It is also called Photoresistor. Introduction of LDR LDR (Photoresistor) is a type of variable resistor which Increases its Resistance when the Light is Decreases and its Resistance Decreases When Light is Increases. It means in […]

2 Digit Digital Object Counter

2 Digit Digital Object Counter

2 Digit Digital object counter project Here is circuit Diagram Of Door Entry Person Counter project, This object counter circuit is used as Digital Object Counter using Two Digit Seven segment LED Display. This can also called People or Object counter Circuit diagram using IC 555 and IC 4033 or Digital IR Counter to Count Door Entries. Here 4 IC […]

Mobile Phone jammer circuit diagram

Mobile Phone jammer circuit diagram

Introduction What is 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 station. 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 quality. Although cell phone jammers could […]

Mobile Phone Sensor Circuit

Mobile Phone Sensor Circuit

This is the circuit diagram of mobile detector .  This circuit can detects the RF signal From mobile phone 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 phones in private rooms, examination halls, etc. […]

Automatic DC FAN controller circuit

Automatic DC FAN controller circuit

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 of heat generated electronic gadgets […]

DC FAN Speed Regulator Circuit

DC FAN Speed Regulator Circuit

  DC FAN Speed Regulator Circuit DC FAN Motor Speed Controller Regulator Circuit Works ON Principle of Pulse Width Modulation (PWM) technique , By Using This Technique Controlling Of DC Motor Speed is very Smoothly And Noise Free. Introduction Of  PWM The modulation is a process of varying the parameter of a carrier signal in accordance with the instantaneous value of […]

IR Based Security Alarm Circuit

IR Based Security Alarm Circuit

Automatic Door Security Alarm System Introduction This is used to any Door or Gate to Detect Any human person or any animal pass across the gate. When Any Crosses the gate then Automatic alarm beeped for some duration and then after automatically stopped. So even any person or gateman or guard is not available at door, no can be entered […]