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Showing posts from February, 2012

Audio Peak Indicator Circuit

The existence of the peak indicator "Audio Peak Indicator" in an audio device is needed… Read this circuit » Audio Peak Indicator Circuit

10 Minute Timer with IC 555

Applications of 555 timer IC is very diverse, one series of 10 Minute Timer with IC 555 . 10 Minu… Read this circuit » 10 Minute Timer with IC 555

Fire alarm with light sensor

Fire alarm can be made with a light sensor (LDR) as in the article with the title of Fire Alarm wi… Read this circuit » Fire alarm with light sensor

Powerful Battery Charger Circuit

Series NIMH Battery Charger with IC LT4060 is a NIMH battery charger is powerful, effective and eff… Read this circuit » Powerful Battery Charger Circuit

74LS247 7 Segment Display Circuit

The displayor using a 7 segment display in electronic device applications is drain port of a microc… Read this circuit » 74LS247 7 Segment Display Circuit

PWMMotor Driver

As the title "PWM DC Motor Driver with Forward / Reverse and Breaking" this series is a P… Read this circuit » PWMMotor Driver

Zero Crossing Detector Circuit

Zero Crossing Detector circuit is basically an application of a comparator. In the article series Z… Read this circuit » Zero Crossing Detector Circuit

Atmel microcontroller-Easy Downloader Circuit

Easy Downloader Circuit Atmel microcontroller series AT89Cxx51 Easy Downloader is one of the downlo… Read this circuit » Atmel microcontroller-Easy Downloader Circuit

AT89C2051 microcontroller circuit

Real time controller AT89C2051 Real time controller is a device used to exercise control over house… Read this circuit » AT89C2051 microcontroller circuit

SMS Remote controller circuit

SMS Remote controller is a device used to control a device remotely using SMS through GSM mobile … Read this circuit » SMS Remote controller circuit

Flip Flop Led Circuit

Flip Flop LED Flip flop circuit is a series of free runing multivibrator given the burden of LEDs o… Read this circuit » Flip Flop Led Circuit

Frequency to Voltage Converter Circuit

IC LM2917 Frequency to Voltage Converter IC LM2917 IC chip is designed specifically as a Frequency … Read this circuit » Frequency to Voltage Converter Circuit

Battery Charger based on AVR ATMega 8535

Battery Charger in general can be interpreted as a means to recharge the battery charge. Principles… Read this circuit » Battery Charger based on AVR ATMega 8535

ADC 207 Flash Converting

Flash Converting - ADC 207 ADC 207 is the first to use Flash Converting An Advanced High Speed ​​VL… Read this circuit » ADC 207 Flash Converting

Music LED light level

This is a simple circuit. Music can change the LED light level gamut. Operation of this circuit … Read this circuit » Music LED light level

Very Simple Peak Indicator Circuit

This series is made to indicate that the amplifier has been given the maximum signal, the amplifi… Read this circuit » Very Simple Peak Indicator Circuit

DC fan control circuit for power amplifier

DC fan control circuit for power amplifier .Variable speed DC fan This series of works based on th… Read this circuit » DC fan control circuit for power amplifier

Solve buzzing and noise on the amplifier circuit

Power amplifiers that we sometimes raises a raft of small drone as grounding less than perfect. T… Read this circuit » Solve buzzing and noise on the amplifier circuit

Tone control low noise circuit

Tone control or pre-amplifier is an amplifier circuit supporters. Sometimes some of us do not kn… Read this circuit » Tone control low noise circuit

Amplifier circuit built-up

Amplifier circuit built-up is pretty nice not always complex. There are a series of amplifiers th… Read this circuit » Amplifier circuit built-up

USB SPDIF DAC with IC PCM 2902

The tool that I made and I discuss in this article I give the name USB SPDIF DAC Every word in the… Read this circuit » USB SPDIF DAC with IC PCM 2902

TDA 7309 Digital Audio Processor Circuit

Digital Audio Processor TDA 7309 is a stereo audio processor with independent volume control of e… Read this circuit » TDA 7309 Digital Audio Processor Circuit

70 Watt MOSFET Audio Amplifier

This is use the MOSFET power amplifier circuit, amplifier circuit has a very good sound quality. W… Read this circuit » 70 Watt MOSFET Audio Amplifier

Create a Digital Volume Control Circuit

This series is the volume of the digital amplifier That is used on or tone control. This series i… Read this circuit » Create a Digital Volume Control Circuit

Create a electric shock-resistant tool

You've electric shock?? .. Well, .. it was nice to recover all your gout! Sometimes true .. bu… Read this circuit » Create a electric shock-resistant tool

Make A Virtual Phone Battery

Virtual cell phone battery is a replacement cell phone batteries for those of you who use the phon… Read this circuit » Make A Virtual Phone Battery

IC LA78040 schematic for vertical deflection

Synchronization circuit to make the signals useful in the process of scanning of the transmitter a… Read this circuit » IC LA78040 schematic for vertical deflection

Building a radio station

Requires us to make things systematically and efficiently, because time is very valuable to us, th… Read this circuit » Building a radio station

Boster 15 watt rd 15 no tune

15 rd booster requires only 0.5 watts of input capable of out 15 watts, the voltage of 13.8 volts… Read this circuit » Boster 15 watt rd 15 no tune

Booster BLW 60

In this post an opportunity, I upload booster BLW 60 which may be an inspiration to create home br… Read this circuit » Booster BLW 60

50 ohm dummy load

Assemble their own 50 ohm dummy load with a capacity of 40 watts. first of all we need is a 1k res… Read this circuit » 50 ohm dummy load

Filter freq dirty from an fm transmitter

Low pass filter is a circuit to filter freq dirty from an fm transmitter. so we get a clean signal… Read this circuit » Filter freq dirty from an fm transmitter

Loading coil antena telex 88-108mhz

This post is for an antenna loading coil telex broadcast on freq. let us buy Simply put wrote sp… Read this circuit » Loading coil antena telex 88-108mhz

Wave antenna 5/8 pro VKV FM

Wave antenna 5/8 consists of a vertical radiator which is fed at the base of the antenna. A suitab… Read this circuit » Wave antenna 5/8 pro VKV FM

Simple fm transmitter for the experiment

Simple fm transmitter for the experiment. This designation may be appropriate to call this series,… Read this circuit » Simple fm transmitter for the experiment

Radio Control for toy car

Radio Control for toy car Play toy cars controlled by radio signals is an interesting game. The … Read this circuit » Radio Control for toy car