乐透乐彩票网址是多少

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乐透乐彩票网址是多少

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555 Timer ic Tutorial

555 Timer ic Tutorial

乐透乐彩票网址是多少555 timer   this is very popular and most common using ic used for various purposes in the electronics area.  555 timer ic is widely used in many electronics circuits for generating pulses, timer/ delay,  for oscillation, tone generator, led light flasher, multivibrator, etc. this ic especially designed to accurately produce the required output waveform with the requirement of just a […]

LED Power indicator for 220v AC mains

LED Power indicator for 220v AC mains

how to make 220v ac led indicator   generally we have seen that there are all indicators in our house on the wall switch board are of neon bulb which is small in size and connects with 68k resistor in series. you can make an indicator that glows very nice and looking so cool using led and  make led indicator […]

How to make 20w Audio Amplifier

How to make 20w Audio Amplifier

乐透乐彩票网址是多少20w amplifier using ic tda7240    the tda7240a is a 20w bridge audio amplifier ic . compact heptawatt package in 7 pin packing. the audio amplifier shown here is based on the tda7240 ic . the ic tda 7240 is an audio amplifier ic that can deliver 20 watts of audio output power into a 4 ohm load. the circuit of audio amplifier using […]

10w x 10w stereo amplifier circuit diagram using TDA2009

10w x 10w stereo amplifier circuit diagram using TDA2009

10w x 10w stereo amplifier circuit diagram using tda2009 ic tda2009a is class ab dual hi-fi  powerful audio power amplifier assembled in multiwatt  package, especially designed for high-quality stereo applications as hi-fi and music centers. this ic has the following specification •  high output power (2 x 10w) •  high current capability (up to 3.5a) •  ac short circuit protection •  thermal overload […]

LM386 Audio Amplifier

LM386 Audio Amplifier

乐透乐彩票网址是多少lm386 audio amplifier circuit  in this project, we will show you how to build lm386 audio amplifier circuit. it is a very low cost audio amplifier and can power any speaker. for the cost and size of the circuit, the sound from the lm386 audio amplifier can be adequately loud. there are many audio amplifier circuits designed using lm386 ic. […]

Multitone Doorbell Alarm

Multitone Doorbell Alarm

乐透乐彩票网址是多少  listening same door bell  tune at always may be boring, this melody generator doorbell circuit may help us to avoid this dull situation because this circuit provides 12 tones. this multi tone door bell circuit produces 12 types of musical tone. you get  twelve popular tones in sequences that gives a new dimension to musical door-bells. whenever a switch is […]

5 KM Long range FM transmitter

5 KM Long range FM transmitter

  long range fm transmitter a fm transmitter can cover maximum distance,  we always try to get the maximum range with maximum power output . there are various different types of fm transmitters circuits available in on the different online websites . but not all circuits are capacity to cover more than 100- 200 meter site range. here showing a […]

乐透乐彩票网址是多少

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