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12V To 24V DC-DC Converter Circuit by LM358-BC337 This simple DC-DC converter can provide up to 24V from a 12V source. It can be used to run radios, small lights, relays, horns and other 24V accessories from a 12V vehicle with a maximum draw of about 800mA. It can be used to charge one 12V battery from another, or step up the voltage [...]
Doubler voltage 12vdc to 24vdc with NE555 This be Simple Doubler Voltage circuit, from voltage 12VDC to be 24VDC. By use Timer IC highly popular the number NE555 and other equipment a little again. It can give current get about 50mA convenient for the circuit, that use low current the small-sized. The principle works of the circuit be, When use Volt input [...]
DC Converter 12V to 24V using LM358-BC337 This simple circuit is a DC-DC converter that converting up 12V source to a 24V. It can be used to run radios, small lights, relays, horns and other 24V accessories from a 12V vehicle with a maximum draw of about 800mA. his DC-DC Converter can be used to charge one 12V battery from another, or [...]
Doubler voltage 12vdc to 24vdc with NE555 This be Simple Doubler Voltage circuit, from voltage 12VDC to be 24VDC. By use Timer IC highly popular the number NE555 and other equipment a little again. It can give current get about 50mA convenient for the circuit, that use low current the small-sized. The principle works of the circuit be, When use Volt input [...]
DC Converter 12V to 24V using LM358-BC337 This simple circuit is a DC-DC converter that converting up 12V source to a 24V. It can be used to run radios, small lights, relays, horns and other 24V accessories from a 12V vehicle with a maximum draw of about 800mA. his DC-DC Converter can be used to charge one 12V battery from another, or [...]
Fire Alarm Circuits
Fire Alarm Using Thermistor Small and simple unit, Can be used for Home-Security purpose In this fire alarm circuit, a Thermistor works as the heat sensor. When temperature increases, its resistance decreases, and vice versa. At normal temperature, the resistance of the Thermistor (TH1) is approximately 10 kilo-ohms, which reduces to a few ohms as the temperature increases beyond [...]
Fire alarm circuit using UM66T TDA2002 Here is a simple fire alarm circuit based on a LDR and lamp pair for sensing the fire.The alarm works by sensing the smoke produced during fire.The circuit produces an audible alarm when the fire breaks out with smoke. When there is no smoke the light from the bulb will be directly falling on the [...]
Low Cost Fire Alarm Circuit Using Transistor Here’s a cheap fire alarm circuit for building one. When there is a fire breakout in the room the temperature increases. This ultra compact and low-cost fire alarm senses fire breakout based on this fact. Transistor BC177 (Q1) is used as the fire sensor here. When the temperature increases the leakage current of this transistor [...]
Fire Alarm Using Thermistor In this fire alarm circuit, a thermistor works as the heat sensor. When temperature increases, its resistance decreases, and vice versa. At normal temperature, the resistance of the thermistor (TH1) is approximately 10 kilo-ohms, which reduces to a few ohms as the temperature increases beyond 100°C. The circuit uses readily available components and can be [...]
Fire Alarm Using Thermistor Small and simple unit, Can be used for Home-Security purpose In this fire alarm circuit, a Thermistor works as the heat sensor. When temperature increases, its resistance decreases, and vice versa. At normal temperature, the resistance of the Thermistor (TH1) is approximately 10 kilo-ohms, which reduces to a few ohms as the temperature increases beyond [...]
Fire alarm circuit using UM66T TDA2002 Here is a simple fire alarm circuit based on a LDR and lamp pair for sensing the fire.The alarm works by sensing the smoke produced during fire.The circuit produces an audible alarm when the fire breaks out with smoke. When there is no smoke the light from the bulb will be directly falling on the [...]
Low Cost Fire Alarm Circuit Using Transistor Here’s a cheap fire alarm circuit for building one. When there is a fire breakout in the room the temperature increases. This ultra compact and low-cost fire alarm senses fire breakout based on this fact. Transistor BC177 (Q1) is used as the fire sensor here. When the temperature increases the leakage current of this transistor [...]
Fire Alarm Using Thermistor In this fire alarm circuit, a thermistor works as the heat sensor. When temperature increases, its resistance decreases, and vice versa. At normal temperature, the resistance of the thermistor (TH1) is approximately 10 kilo-ohms, which reduces to a few ohms as the temperature increases beyond 100°C. The circuit uses readily available components and can be [...]
Fm Receiver
Jan 8, 2010 … Circuit diagrams and schematics – Electronic projects. Posts Tagged ‘fm receiver’. Simple FM Receiver Pocket FM Radio by BF184. Friday …
Simple FM Receiver Pocket FM Radio by BF184 It is a pocket receiver that I built. The idea was to use a simple receiver, but can be used to escape to 3 times viewed. My previous 6-transistor receiver was more complicated and requires 12 volts. This means that 10 AA batteries. I designed and built acircuit board, and built a small aluminum box [...]
FM IF Subsystem with CA3189E TheCA3189E is a comprehensive FM-IF system designed for high fidelity FM tuners. It includes a three stage FM-IF amplifier/limiter configuration with level detectors for each stage, a double-balanced quadrature FM detector and an audio amplifier that features the optional use of a muting circuit. The advanced circuit design includes desirable special features such as delayed [...]
FM radio with TDA7000 An FM radio on a single chip requiring only a few simple peripheral components. In particular the ship requires only one simple coil and alignment is very easy. The chip includes an RF input stage, mixer, local oscillator, IF amplifier/limiter, phase demodulator, mute detector and mute switch. The output will directly drive a crystal earpiece [...]
synthesizer generates 19-kHz pilot tone for FM baseband signal This Design Idea presents a low-cost method of generating the basic 19-kHz pilot tone. The 19-kHz pilot tone comprises a baseband signal, and the L+R and L–R signals consist of DSBSC (double-sideband-suppressed-carrier) modulation centered at 38 kHz. For a receiver to correctly demodulate the signal, the transmitted pilot tone and L–R signal must synchronize at [...]
Simple FM Receiver by TDA7000 With the TDA 7000 you can build an FM radio with a minimum of components; most of them so easy to manage…like the ceramic capacitors that do not require polarization…and only two resistors. The components you will employ will be of small dimensions and low cost. Even the integrated circuit itself, the TDA 7000, is [...]
FM Receiver 4 Transistor by BF184 This is a pocket sized receiver I built in 1994. The idea was to make a simple but useable receiver running off 3V. My previous 6 transistor receiver was more bulky, requiring 12V. This meant 10 x AA cells. I designed and made a PCB, and constructed a small aluminium case to keep the receiver [...]
FM – AM Regenerative Receiver by 2N2646 The following is a design for a separately quench super regen receiver I first tried in early 1992. It worked far better than any other solid state design, so I built a portable version for use during my commuting from the Blue Mountains to Sydney on the train. Running off 10x AA nicads, this gave [...]
FM Receivers by TL431 – 2N4416 Here is how you make a superregenerative circuit. Choose a regenerative amplifier circuit configuration that requires more current during oscillations than when not oscillating. Adjust the regenerative amplifier to oscillate. Add a small circuit that uses the current of the amplifier to charge a capacitor while oscillations are taking place. Once the capacitor is charged, [...]
FM Stereo Receiver by TEA5711T Let’s begin by soldering a three-pin ceramic filter to the PCB. These three pins will be coming from terminals #11, #12 and #13 of the TEA5711T chip. Next, solder another three-pin ceramic filter to the PCB. These three pins will be coming from terminals #7, #8 and #9 of the TEA5711T chip. Once that is [...]
FM Radio by LA1800 3V superheterodyne FM receiver Read More Source:http://www.asahi-net.or.jp/~hp6y-isym/100radio.htm Related Links More FM Receiver circuits More RF Modulator circuits Pocket FM Radio circuits FM Receivers by TL431 – 2N4416 25W RF amplifier by BLY88 RF Preamplifier by 2N2219a , 2N4427 , 2N3553 VHF Band 2 Radio Spectrum tuning
One Transistor FM Receiver by MPF102 This radio is sensitive enough to tune 20 stations across the FM band, some with volume high enough to drive a small PM speaker. The ability to tune 88.9 MHz and 89.1 MHz is testimony of its selectivity. The signal-to noise ratio rivals that of the better walkman type radios. Read More Source:http://braincambre500.freeservers.com/rss(1)(1)(1).htm Thank you. [...]
FM Radio TDA7088 Receiver The electronic diagram of the monophonic FM receiver made with TDA7088T is shown on Pic.4.12. If built with SMD components it can be placed in a matchbox, altogether with two button-type batteries. The operating principle of this device is given in the previous chapter. The only thing new is a very simple audio amplifier made [...]
6 Transistor Super Regen Receiver by BC548 This little super-regenerative receiver is essentially an AM receiver, with “slope detection” used for FM. By tuning to one side of the carrier, the receiver’s tuned circuit converts FM to AM. The bandwidth is about 200KHz so wideband FM stations can be demodulated by tuning the receiver to the most linear point of the response [...]
BH1417 Stereo PLL FM Transmitter This is the latest BH1417 FM Transmitter design from RHOM that includes a lot of features in one small package. It comes with pre-emphasis, limiter so that the music can be transmitted at the same audio level, stereo encoder for stereo transmission, low pass filter that blocks any audio signals above 15KHz to prevent any [...]
FM Superregenerative Receiver using only two transistors Building an AM receiver is a simple project for a beginner, but building an FM receiver is rather trickier. However, with a little ingenuity we can get away with a very small number of components: our superregenerative Audion receiver uses just two transistors, two coils and a few capacitors. [...]
Jan 8, 2010 … Circuit diagrams and schematics – Electronic projects. Posts Tagged ‘fm receiver’. Simple FM Receiver Pocket FM Radio by BF184. Friday …
Simple FM Receiver Pocket FM Radio by BF184 It is a pocket receiver that I built. The idea was to use a simple receiver, but can be used to escape to 3 times viewed. My previous 6-transistor receiver was more complicated and requires 12 volts. This means that 10 AA batteries. I designed and built acircuit board, and built a small aluminum box [...]
FM IF Subsystem with CA3189E TheCA3189E is a comprehensive FM-IF system designed for high fidelity FM tuners. It includes a three stage FM-IF amplifier/limiter configuration with level detectors for each stage, a double-balanced quadrature FM detector and an audio amplifier that features the optional use of a muting circuit. The advanced circuit design includes desirable special features such as delayed [...]
FM radio with TDA7000 An FM radio on a single chip requiring only a few simple peripheral components. In particular the ship requires only one simple coil and alignment is very easy. The chip includes an RF input stage, mixer, local oscillator, IF amplifier/limiter, phase demodulator, mute detector and mute switch. The output will directly drive a crystal earpiece [...]
synthesizer generates 19-kHz pilot tone for FM baseband signal This Design Idea presents a low-cost method of generating the basic 19-kHz pilot tone. The 19-kHz pilot tone comprises a baseband signal, and the L+R and L–R signals consist of DSBSC (double-sideband-suppressed-carrier) modulation centered at 38 kHz. For a receiver to correctly demodulate the signal, the transmitted pilot tone and L–R signal must synchronize at [...]
Simple FM Receiver by TDA7000 With the TDA 7000 you can build an FM radio with a minimum of components; most of them so easy to manage…like the ceramic capacitors that do not require polarization…and only two resistors. The components you will employ will be of small dimensions and low cost. Even the integrated circuit itself, the TDA 7000, is [...]
FM Receiver 4 Transistor by BF184 This is a pocket sized receiver I built in 1994. The idea was to make a simple but useable receiver running off 3V. My previous 6 transistor receiver was more bulky, requiring 12V. This meant 10 x AA cells. I designed and made a PCB, and constructed a small aluminium case to keep the receiver [...]
FM – AM Regenerative Receiver by 2N2646 The following is a design for a separately quench super regen receiver I first tried in early 1992. It worked far better than any other solid state design, so I built a portable version for use during my commuting from the Blue Mountains to Sydney on the train. Running off 10x AA nicads, this gave [...]
FM Receivers by TL431 – 2N4416 Here is how you make a superregenerative circuit. Choose a regenerative amplifier circuit configuration that requires more current during oscillations than when not oscillating. Adjust the regenerative amplifier to oscillate. Add a small circuit that uses the current of the amplifier to charge a capacitor while oscillations are taking place. Once the capacitor is charged, [...]
FM Stereo Receiver by TEA5711T Let’s begin by soldering a three-pin ceramic filter to the PCB. These three pins will be coming from terminals #11, #12 and #13 of the TEA5711T chip. Next, solder another three-pin ceramic filter to the PCB. These three pins will be coming from terminals #7, #8 and #9 of the TEA5711T chip. Once that is [...]
FM Radio by LA1800 3V superheterodyne FM receiver Read More Source:http://www.asahi-net.or.jp/~hp6y-isym/100radio.htm Related Links More FM Receiver circuits More RF Modulator circuits Pocket FM Radio circuits FM Receivers by TL431 – 2N4416 25W RF amplifier by BLY88 RF Preamplifier by 2N2219a , 2N4427 , 2N3553 VHF Band 2 Radio Spectrum tuning
One Transistor FM Receiver by MPF102 This radio is sensitive enough to tune 20 stations across the FM band, some with volume high enough to drive a small PM speaker. The ability to tune 88.9 MHz and 89.1 MHz is testimony of its selectivity. The signal-to noise ratio rivals that of the better walkman type radios. Read More Source:http://braincambre500.freeservers.com/rss(1)(1)(1).htm Thank you. [...]
FM Radio TDA7088 Receiver The electronic diagram of the monophonic FM receiver made with TDA7088T is shown on Pic.4.12. If built with SMD components it can be placed in a matchbox, altogether with two button-type batteries. The operating principle of this device is given in the previous chapter. The only thing new is a very simple audio amplifier made [...]
6 Transistor Super Regen Receiver by BC548 This little super-regenerative receiver is essentially an AM receiver, with “slope detection” used for FM. By tuning to one side of the carrier, the receiver’s tuned circuit converts FM to AM. The bandwidth is about 200KHz so wideband FM stations can be demodulated by tuning the receiver to the most linear point of the response [...]
BH1417 Stereo PLL FM Transmitter This is the latest BH1417 FM Transmitter design from RHOM that includes a lot of features in one small package. It comes with pre-emphasis, limiter so that the music can be transmitted at the same audio level, stereo encoder for stereo transmission, low pass filter that blocks any audio signals above 15KHz to prevent any [...]
FM Superregenerative Receiver using only two transistors Building an AM receiver is a simple project for a beginner, but building an FM receiver is rather trickier. However, with a little ingenuity we can get away with a very small number of components: our superregenerative Audion receiver uses just two transistors, two coils and a few capacitors. [...]
High Voltage Generator Jul 16, 2008 … Figure 1 is a schematic diagram of our Miniature High-Voltage DC Generator. The circuit is fed from a 12-volt DC power supply. The input to the …
High Voltage Generator for Low Current … Here is a simple circuit for generating over 100 volts from a 12 volt source for powering low current devices and experiments. The two …
Double Ignition Coil High Voltage Generator This next design is similar to the one above, but uses two coils with their primaries in parallel (but the + on one is to the – on the other and vice …
Ignition Coil High Voltage Generator by SCR Trigger … When making the voltage doubler (if thats what your using, but this goes for every other option too) you should use photo flash capacitors.
Nikola Tesla coil project Figure 1 shows the schematic diagram of the Tesla Coil circuit. The circuit consists of little more than a few coils, a step-up power transformer, and a capacitor. Power from an AC wall receptacle is fed to transformer T1 (a small neon-sign transformer) which steps the voltage up to about 3000-volts AC Read more original [...]
Jacob’s Ladder Generator The power supply for this project forms electric arcs across two diverging stainless steel strips mounted in a protected case. The 16-inch long strips are mounted on insulating Teflon blocks to eliminate possible leakage. The stainless steel strips are angled with respect to each other so that the arcs form at the edges of the [...]
HV DC Generator Figure 1 is a schematic diagram of our Miniature High-Voltage DC Generator. The circuit is fed from a 12-volt DC power supply. The input to the circuit is then amplified to provide a 10,000 volts DC output. That’s made possible by feeding the 12-volts output of the power supply to a DC-to-DC up converter. The [...]
High Voltage Ring Generator The Supertex HV440 is used for implementing a pulse width modulated high voltage ring generator for telecommunication applications. The HV440 can operate in both closed-loop or open-loop. A closed-loop design is more complex but provides better load regulation and lower THD compared to an open-loop design. Read more original source:
The Output Adjustable Flyback Converter 600V A high voltage step-up DC power supply using adjustable flyback conversion. Read More Source:Circuit : Simon Oh http://www.mitedu.freeserve.co.uk/Circuits/Power/oafc.htm Thank you. Related Links All circuits of High voltage generator All circuits of Flyback driver All circuits of DC converter high voltage All circuits of Adjustable power supply schematic All circuits of Step up voltage converter All [...]
The 25-30kV DC Generator by 2N3055 This High Voltage power supply is able to generate up to 25-30kV DC Output from a 12-24v DC input. With a fully adjustable DC input power supply (0-24V/4A), it is possible to adjust the HV output between 5 to 30kV. This HV power supply use a common flyback driver circuit with two 2N3055 power transistors [...]
DC-DC converters 12V to 120VDC 20W by MJE2955 The design is a simple saturation-limited push-pull converter. There is no special reason to use PNP transistors; I used them simply because I had a box full of them around. You may well turn over the design to use NPN transistors. The 2SC945 is a bias switch for startup. When applying 12V power, this transistor [...]
SOLID STATE TESLA COIL WITH 555 TIMER Setting the operating frequency with an integrated timer is easy and practical. Following schematic is nothing more than the standard astable mode circuit design with a classic 555. It requires only two resistors and a capacitor to set frequency (with duty cycle of course) and another resistor to determine power transistor’s base current, which you [...]
Ignition coil driver by IC 555 + 2N3055 Here is a very simple circuit that will provide high voltage (15-40kV) sparks using a common ignition coil. The input is 12VDC at around 5 to 6 amps. Mine produces sparks that are about 3/4″ to 1″ in length. A 2N3055 NPN power transistor is pulsed with a square wave signal that comes from the [...]
12VDC Fluorescent Lamp Inverter with Mosfet It uses a normal 120 to 6V stepdown transformer in reverse to step 12V to about 350V to drive a lamp without the need to warm the filaments. Q1 must be installed on a heat sink. A 240V to 10V transformer will work better then the one in the parts list. The problem is that [...]
Power Supply Regulator 190-320V 50mA Schematics by Rainer zur Linde from his book “Build your own Audio Valve Amplifiers”. Output 190-320V up to 50mA. Read More Source :http://www.bonavolta.ch/hobby/index.html Related Links See other circuit on high volt regulator See other circuit on high voltage generator Ignition coil driver by IC 555 + 2N3055 POWER SUPPLY 600 VOLTS FOR QRO Power Supply [...]
Power Supply Regulator 10-350V 50mA Schematics by Rainer zur Linde from his book “Build your own Audio Valve Amplifiers”. Output 10-350V up to 50mA. Read More Source :http://www.bonavolta.ch/hobby/index.html Related Links More circuit about High voltage power supply More circuit about Variable Regulator More circuit about high voltage generator Power suppy Adjustable 0 – 300V Power Supply Regulator 190-320V 50mA 0-1000V [...]
High Voltage Generator for Low Current … Here is a simple circuit for generating over 100 volts from a 12 volt source for powering low current devices and experiments. The two …
Double Ignition Coil High Voltage Generator This next design is similar to the one above, but uses two coils with their primaries in parallel (but the + on one is to the – on the other and vice …
Ignition Coil High Voltage Generator by SCR Trigger … When making the voltage doubler (if thats what your using, but this goes for every other option too) you should use photo flash capacitors.
Nikola Tesla coil project Figure 1 shows the schematic diagram of the Tesla Coil circuit. The circuit consists of little more than a few coils, a step-up power transformer, and a capacitor. Power from an AC wall receptacle is fed to transformer T1 (a small neon-sign transformer) which steps the voltage up to about 3000-volts AC Read more original [...]
Jacob’s Ladder Generator The power supply for this project forms electric arcs across two diverging stainless steel strips mounted in a protected case. The 16-inch long strips are mounted on insulating Teflon blocks to eliminate possible leakage. The stainless steel strips are angled with respect to each other so that the arcs form at the edges of the [...]
HV DC Generator Figure 1 is a schematic diagram of our Miniature High-Voltage DC Generator. The circuit is fed from a 12-volt DC power supply. The input to the circuit is then amplified to provide a 10,000 volts DC output. That’s made possible by feeding the 12-volts output of the power supply to a DC-to-DC up converter. The [...]
High Voltage Ring Generator The Supertex HV440 is used for implementing a pulse width modulated high voltage ring generator for telecommunication applications. The HV440 can operate in both closed-loop or open-loop. A closed-loop design is more complex but provides better load regulation and lower THD compared to an open-loop design. Read more original source:
The Output Adjustable Flyback Converter 600V A high voltage step-up DC power supply using adjustable flyback conversion. Read More Source:Circuit : Simon Oh http://www.mitedu.freeserve.co.uk/Circuits/Power/oafc.htm Thank you. Related Links All circuits of High voltage generator All circuits of Flyback driver All circuits of DC converter high voltage All circuits of Adjustable power supply schematic All circuits of Step up voltage converter All [...]
The 25-30kV DC Generator by 2N3055 This High Voltage power supply is able to generate up to 25-30kV DC Output from a 12-24v DC input. With a fully adjustable DC input power supply (0-24V/4A), it is possible to adjust the HV output between 5 to 30kV. This HV power supply use a common flyback driver circuit with two 2N3055 power transistors [...]
DC-DC converters 12V to 120VDC 20W by MJE2955 The design is a simple saturation-limited push-pull converter. There is no special reason to use PNP transistors; I used them simply because I had a box full of them around. You may well turn over the design to use NPN transistors. The 2SC945 is a bias switch for startup. When applying 12V power, this transistor [...]
SOLID STATE TESLA COIL WITH 555 TIMER Setting the operating frequency with an integrated timer is easy and practical. Following schematic is nothing more than the standard astable mode circuit design with a classic 555. It requires only two resistors and a capacitor to set frequency (with duty cycle of course) and another resistor to determine power transistor’s base current, which you [...]
Ignition coil driver by IC 555 + 2N3055 Here is a very simple circuit that will provide high voltage (15-40kV) sparks using a common ignition coil. The input is 12VDC at around 5 to 6 amps. Mine produces sparks that are about 3/4″ to 1″ in length. A 2N3055 NPN power transistor is pulsed with a square wave signal that comes from the [...]
12VDC Fluorescent Lamp Inverter with Mosfet It uses a normal 120 to 6V stepdown transformer in reverse to step 12V to about 350V to drive a lamp without the need to warm the filaments. Q1 must be installed on a heat sink. A 240V to 10V transformer will work better then the one in the parts list. The problem is that [...]
Power Supply Regulator 190-320V 50mA Schematics by Rainer zur Linde from his book “Build your own Audio Valve Amplifiers”. Output 190-320V up to 50mA. Read More Source :http://www.bonavolta.ch/hobby/index.html Related Links See other circuit on high volt regulator See other circuit on high voltage generator Ignition coil driver by IC 555 + 2N3055 POWER SUPPLY 600 VOLTS FOR QRO Power Supply [...]
Power Supply Regulator 10-350V 50mA Schematics by Rainer zur Linde from his book “Build your own Audio Valve Amplifiers”. Output 10-350V up to 50mA. Read More Source :http://www.bonavolta.ch/hobby/index.html Related Links More circuit about High voltage power supply More circuit about Variable Regulator More circuit about high voltage generator Power suppy Adjustable 0 – 300V Power Supply Regulator 190-320V 50mA 0-1000V [...]
Decade Counter Circuit Jan 7, 2011 … Related Links More Circuit about digital counter More 7 segment LED countercircuit Moredecade counter circuit 4-digit Up-Down counter with …
Random number with led 1 digit This is a circuit diagram showing the random nature of LED 7 segment. In the diagram circuit IC1 – LM555, R1, R2 and C2 on the circuit a sensitive multi-Stable Brett Foster (Astable. multivibrator circuit) function generator signal square (Square Wave) and send the pin 3 of IC1. It can change the frequency by VR1. [...]
Random Number Generator by IC 4017 and 4011 This be Random Number Generator Circuit there is the character is 10 LED Flasher by use IC 4017 and IC 4011. For the 4017 IC is a 16-pin CMOS decade counter. It takes clock pulses from the clock input, and makes one of the ten outputs come on in sequence each time a clock pulse [...]
4511 Binary to Decimal decoder This isn’t a very useful or interesting circuit but it demonstrates the prinicple of a Binary to Decimal decoder IC such as the IC 4511. Read More Source: http://www.geocities.com/electronics3456/4511.html Thank you. Related Links More Circuit about digital counter More 7 segment LED counter circuit More decade counter circuit 4-digit Up-Down counter with PIC 16F88 PIC16F84A [...]
4017 Led Pattern-Flasher The circuit uses a 555 timer oscillator to supply clock pulses of a variable frequency to the 4017 decade counter. The decade counter only needs to have three outputs so the fourth output goes into the reset pin to start the cycle all over again. The central red led is always on. Each row of [...]
0-99 counter by IC 4017×2 When you want the counter circuit since 0 arrive at 99. I thinks this circuit may on the same wave length you certainly. it uses IC LM4017 decade counter/divider follow circuit picture. When feed a signal clock at 14 pin cause the position logic at a pin output. From 0 to 99 for switch S1 [...]
Random number with led 1 digit This is a circuit diagram showing the random nature of LED 7 segment. In the diagram circuit IC1 – LM555, R1, R2 and C2 on the circuit a sensitive multi-Stable Brett Foster (Astable. multivibrator circuit) function generator signal square (Square Wave) and send the pin 3 of IC1. It can change the frequency by VR1. [...]
Random Number Generator by IC 4017 and 4011 This be Random Number Generator Circuit there is the character is 10 LED Flasher by use IC 4017 and IC 4011. For the 4017 IC is a 16-pin CMOS decade counter. It takes clock pulses from the clock input, and makes one of the ten outputs come on in sequence each time a clock pulse [...]
4511 Binary to Decimal decoder This isn’t a very useful or interesting circuit but it demonstrates the prinicple of a Binary to Decimal decoder IC such as the IC 4511. Read More Source: http://www.geocities.com/electronics3456/4511.html Thank you. Related Links More Circuit about digital counter More 7 segment LED counter circuit More decade counter circuit 4-digit Up-Down counter with PIC 16F88 PIC16F84A [...]
4017 Led Pattern-Flasher The circuit uses a 555 timer oscillator to supply clock pulses of a variable frequency to the 4017 decade counter. The decade counter only needs to have three outputs so the fourth output goes into the reset pin to start the cycle all over again. The central red led is always on. Each row of [...]
0-99 counter by IC 4017×2 When you want the counter circuit since 0 arrive at 99. I thinks this circuit may on the same wave length you certainly. it uses IC LM4017 decade counter/divider follow circuit picture. When feed a signal clock at 14 pin cause the position logic at a pin output. From 0 to 99 for switch S1 [...]
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This is circuit Inverter 12VDC to 220V 50Hz 500W.
It easy to make and Low cost.
It easy to make and Low cost.
Source: leksound project
Related Links
AC Power Inverter
12Vdc to 220Vac inverter
2N3055 Power Inverter
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Inverter 100W by IC 4047 + 2N3055 (with PCB)
Inverter 12V to 220V 300W by NE555,2N3055
Inverter 100W by IC 4047 + 2N3055 (with PCB)
12 Volt to 220 Volt Inverter 500W
Inverter 100W 12V to 220V by Transistor
12 Volt Fluorescent Lamp 20W Drivers
AC Power Inverter
12Vdc to 220Vac inverter
2N3055 Power Inverter
High power inverter circuit
More about 500watt inverter circuit
Inverter 100W by IC 4047 + 2N3055 (with PCB)
Inverter 12V to 220V 300W by NE555,2N3055
Inverter 100W by IC 4047 + 2N3055 (with PCB)
12 Volt to 220 Volt Inverter 500W
Inverter 100W 12V to 220V by Transistor
12 Volt Fluorescent Lamp 20W Drivers
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