Audio Peak Indicator Circuit

The existence of the peak indicator "Audio Peak Indicator" in an audio device is needed. Audio Peak indicator is a simple circuit ...

Timer with about 10 minutes

Applications of 555 timer IC is very diverse, one series of 10 Minute Timer with IC 555. 10 Minute Timer This circuit uses IC NE555 is set a...

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 with this LDR sensor. Principles of fire det...

Powerful Battery Charger Circuit

Series NIMH Battery Charger with IC LT4060 is a NIMH battery charger is powerful, effective and efficient. Featur owned by IC LT4060 is a sp...

74LS247 7 Segment Display Circuit

The displayor using a 7 segment display in electronic device applications is drain port of a microcontroller or data that would point in the...

PWMMotor Driver

As the title "PWM DC Motor Driver with Forward / Reverse and Breaking" this series is a PWM DC motor controller that can control D...

Zero Crossing Detector Circuit

Zero Crossing Detector circuit is basically an application of a comparator. In the article series Zero Crossing Detector with Op Amp is buil...

Atmel microcontroller-Easy Downloader Circuit

Easy Downloader Circuit Atmel microcontroller series AT89Cxx51 Easy Downloader is one of the downloader that is often used to write data to ...

AT89C2051 microcontroller circuit

Real time controller AT89C2051 Real time controller is a device used to exercise control over household device continuously ongoing and sche...

SMS Remote controller circuit

SMS Remote controller is a device used to control a device remotely using SMS through GSM mobile phones. Process control equipment with a s...

Flip Flop Led Circuit

Flip Flop LED Flip flop circuit is a series of free runing multivibrator given the burden of LEDs on each side of the transition changes its...

Frequency to Voltage Converter Circuit

IC LM2917 Frequency to Voltage Converter IC LM2917 IC chip is designed specifically as a Frequency to Voltage Converter or Frequency to Volt...

Battery Charger based on AVR ATMega 8535

Battery Charger in general can be interpreted as a means to recharge the battery charge. Principles of good charger circuit is capable of pr...

ADC 207 Flash Converting

Flash Converting - ADC 207 ADC 207 is the first to use Flash Converting An Advanced High Speed ​​VLSI 1.2 micron CMOS process. The process t...

Very Simple Peak Indicator Circuit

This series is made to indicate that the amplifier has been given the maximum signal, the amplifier has the ability to be at its peak. if th...

DC fan control circuit for power amplifier

DC fan control circuit for power amplifier .Variable speed DC fanThis series of works based on the input signal. Speed ​​/ fan rotation depe...

Solve buzzing and noise on the amplifier circuit

Power amplifiers that we sometimes raises a raft of small drone as groundingless than perfect.The following are some ways to cope with the h...

Tone control low noise circuit

Tone control or pre-amplifier is an amplifier circuit supporters. Sometimes some of us do not know where a good amplifier, a raft alone and ...

Spirit Amplifier Schematics

Amplifier circuit built-up is pretty nice not always complex. There are a series of amplifiers that I saw a picture of the kit immediately. ...

USB SPDIF DAC with IC PCM 2902

The tool that I made and I discuss in this article I give the name USB SPDIF DACEvery word in the name corresponds to the function of the to...

TDA 7309 Digital Audio Processor Circuit

Digital Audio Processor TDA 7309 is a stereo audio processor with independent volume control of each channel was to get the audio quality of...

70 Watt MOSFET Audio Amplifier

This is use the MOSFET power amplifier circuit, amplifier circuit has a very good sound quality. With the noise is quite small, thus making ...

Create a Digital Volume Control Circuit

This series is the volume of the digital amplifier That is used on or tone control. This series ic type using DS1669 Digital Pot IC specific...

Create a electric shock-resistant tool

You've electric shock?? .. Well, .. it was nice to recover all your gout! Sometimes true .. but we often do not touch circuit accidental...

Make A Virtual Phone Battery

Virtual cell phone battery is a replacement cell phone batteries for those of you who use the phone as a modem. Including myself, who use th...

IC LA78040 schematic for vertical deflection

Synchronization circuit to make the signals useful in the process of scanning of the transmitter and sent to the Vertical and Horizontal. To...

Building a radio station

Requires us to make things systematically and efficiently, because time is very valuable to us, then some of the advances in technology has ...

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 it needs. in this series are made to work ...

Booster BLW 60

In this post an opportunity, I upload booster BLW 60 which may be an inspiration to create home brew. Here I include a file layout that can ...

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 resistor 2watt as many as 20 seeds, plain PCB...

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. and can maximize the output power genera...

Loading coil antena telex 88-108mhz

This post is for an antenna loading coil telex broadcast on freq. let us buy Simply put wrote specifically for the antenna loading coil at t...

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 suitable device of some sort should be added bet...