Colour Changing LED chaser circuit using Bicolour LED Here i am presenting a circuit of 10 dual colour LED flasher (Not using Flashing LED) which blinks one by one in sequence. This circuit is based on popular counter circuit using 4017 and 555. One colour of all LED remain fix and second colour of all […]
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How transistor works Transistor working simple Transistor is a 3 Terminal electronic semiconductor component/device. It has three terminals named a BASE, Emitter, And Collector. Transistor name meaning lies in its own working. Trans + istor = Transistor The prefix trans tells about signal transfer from low resistance to high resistance part and istor means solid
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Condenser mic audio amplifier how to make a microphone amplifier circuit You can connect a condenser MIC with an amplifier circuit as given below diagram. This circuit will work very well with any type of Audio amplifier. Use only 3-6v for condenser MIC for the best result. The audio amplifier circuit needs 6-24v as per
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Simple LED Flasher/chaser/Blinker Circuit This circuit is made using 5 NPN transistors, some capacitors and some resistors. 5 LEDs are blinking as shown in this video gif. you can connect more LEDs to this sequence by adding some more transistors. Q1-Q5= BC547 Resistors 1K-5, 22k-5 Capacitor 22uf 25v-6
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2 Led Flasher circuit Simple Blinking Flasher LED circuit This simple led flasher blinker circuit made by using two npn BC547 transistors and some resistors and capacitors. The speed of blinking can be changed by changing the value of capacitors C1 and C2. This led flasher circuit is very easy and simple and there is
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Easy, Simple and best FM transmitter circuit for homemade mini radio station Homemade FM Transmitter circuit diagram Components Transistor- 2N3904-2 Resistor-1M-1, 470Ω-1, 22k to 47kΩ-2, 10kΩ-1 Capacitor-1nf-1, 0.1uf-3, 10pf-2, 33pf-2 Inductor- 4-5 Turn of 4 mm dia air core coil of copper wire Condenser mic-1 This simple and easy FM transmitter circuit can transmit
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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
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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 of any
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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 Working CD4017 or HCF4017BE or 74HC4017 is a CMOS decade counter/ Divider. It has 16 pins and this counter has 10 decoded outputs. This is known also as the 10 stages ‘Johnson decade counter. It has a total of 10 outputs. when a clock signal from the clock input is given
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What is NOT gate (Inverter) NOT gate logic inverter circuit NOT gate is Device which gives output always the inverse of INPUT. NOT gate output is always the complement of its INPUT. NOT gate also called an INVERTER and which has only one input and only one output. The main function of the inverter (NOT
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CD6283 Stereo Amplifier Circuit Diagram CD6283/A6283 is Dual channel Medium Power Audio Amplifier. This ic mostly used in portable Mp3 players, CD/DVD players, Radio tape player etc. Best Suitable for Low Power Best Quality Audio Player. This ic is SIP(Single in-line package) has built-in thermal shutdown protection and is best for 9-12 v Supply operation.
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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 Clap the Load is Switch ON and When Again Clapped Then Load is Switch OFF. This Clap operated ON OFF Switch Circuit is Useful to ON-OFF any Appliance. The circuit is work By the
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