High voltage Protection circuit This is a high-voltage Protection circuit that protects the circuit from high voltage to any device by the automatic cutoff using the popular ic 741. Note- Connect the load with the NC pin of the relay When the input voltage at Non- the non-inverting pin of op-amp 741 is crossed over […]
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Overvoltage autocut circuit diagram This Autocut circuit is very easy, simple, and very useful. Only one transistor and some other components are used in this high-voltage protection Auto circuit. The load is connected with the NC (normally connected ) Pin of the relay. This circuit is a very useful auto-cut circuit to protect any electrical
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1.5 A Adjustable DC Variable Voltage Regulator Using LM317 ic lm317 voltage regulator working The LM317T is an adjustable three-terminal positive-voltage regulator. This regulator IC capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. To set the output voltage it requires only two external resistors. Resistors R1
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1.25 v to 32 v 10 A Voltage Adjustable regulator Circuit By this Regulator, circuit Output Load Can be connected up to 10 A Load. The output current is 10 A of this circuit. The LT1038 is a three-terminal adjustable voltage regulator which is capable of providing of 10A output high current at 1.2V to
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Electronic Fan Regulator AC Light Dimmer circuit Resistive fan regulator We first discuss the conventional big-size resistive fan regulator. Conventional Old ceiling fan regulators use resistive wire to connect in series and there are multiple points to connect the regulating knop switch to adjust the speed. This type of regulator works on a full resistor
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Resistance vs Impedance What is impedance Impedance (Z) is similar to Resistance (R) . Impedance and Resistance both oppose the current in the circuit. Both are almost the same thing, But resistance related to DC Circuit. Resistance opposes the steady electric current in the DC circuit. Resistance remains the same (constant) at any different frequency
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Simple LED Flasher with special sequencer running effect without microcontroller This LED flasher circuit is built with the use of one 555 timer ic and some other components. In this Flasher circuit, only 7 LEDs are used but you can connect more than 7 LEDs with a proper resistor and transistor. The 555Timer is connected
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P-N Junction Diode A diode is a two-terminal polarised electronic semiconductor device. One terminal is Anode(-) and the other is Cathode(+). The cathode is marked with a silver colour or colour band. This is the simplest semiconductor device but this is very important and most useful in electronic circuits. Diode Function The main function of
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Electronic Siren Circuit Diagram siren circuit using 555 timer We are going to make a Police Siren Circuit using two 555 timer IC. The circuit will produce an up-down wailing sound from the speaker. In this circuit there are two 555 timer ic is used. Both 555 ic is connected as astable multivibrator/oscillator. In an
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LED Flasher/Blinking Circuit diagram Using 555 timer This is a Popular and Simple LED Flasher circuit using one 555 timer ic and some other components. This circuit works on the principle of Astable Mode operation of 555 timer. Which produces a continuous Pulse wave at the output on pin 3. When the pulse signal
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Sequential 17 LED Chaser circuit Without Microcontroller LED is the very popular visual decorative lighting thing with very low power consumption. The brightness and looking of colouring combination with multiple LEDs makes an good looking and interesting . In market there are various types of decorative flashing lights available. Those consume more power. if any
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LED Flasher Chaser Project Circuit The LED flasher is very interactive visual lighting and this is very easy to connect with a circuit without any external switching component like relay or Transistor. Here is a circuit diagram of LED chaser which is very easy to construct and looking very beautiful and interesting. This LED Flasher/Chaser
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4017 Counter ic The 4017 IC is one of the most widely used decade counter integrated circuits (ICs) in digital electronics. It plays a crucial role in circuits that require sequential counting, LED chasers, and digital automation. This CMOS-based Johnson counter IC can be used to create fascinating lighting effects, counting applications, and automation
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What is NOT gate (Inverter) NOT gate logic inverter circuit NOT gate is a Device that gives output always the inverse of the input. NOT gate output is always the complement of its INPUT. NOT gate, also called an INVERTER, which has only one input and only one output. The main function of the inverter
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CD6283 Stereo Amplifier Circuit Diagram CD6283/A6283 is Dual dual-channel Medium Power Audio Amplifier. The CD6283 is a dual-channel audio amplifier IC widely used in low-power audio amplification applications. It is a bridge amplifier with built-in thermal shutdown and low distortion output, making it ideal for stereo systems, small speaker amplifiers, and battery-powered audio devices. It
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Clap ON Clap OFF Switch circuit Diagram This is Another Clap ON-OFF Circuit Diagram Using 555 Timer and 7474 IC. When the Clap the Load is Switched ON and When Again Clapped, Then Load is switched OFF. This clap-operated ON-OFF Switch Circuit is Useful to turn ON-OFF any Appliance. The circuit works By the Detection
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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, the Connected Load is Switch ON. Again Clap, the Load is switched OFF. A condenser mic works 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 Touch sensitive doorbell Alarm switch circuit When 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 is required for
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Dark/Light Activated Circuit using LDR A light-activated triac circuit automatically powers an AC load (like a bulb) when it detects low ambient light levels. Unlike relay-based designs, this circuit uses a triac for switching, eliminating the need for mechanical parts. As a result, it operates quietly and can switch AC loads efficiently. The core sensing
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Quick circuit of Audio Amplifier. Introduction This is a very simple audio amplifier circuit using a single MOSFET (IRFZ44N), designed for amplifying audio signals from mobile phones, laptops, or other low-power sources. This circuit is an easy DIY solution for beginners interested in building a low-power amplifier that can drive an 8-ohm speaker with
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LDR circuit diagram LDR darkness sensor circuit This is an Automatic Night Light circuit without a Transformer operated by a Light Using a 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
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