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How making Digital Volume Control for audio ?

How making Digital Volume Control for audio ? using DS1669 c1 : 0,1uf Making Digital Volume Control for audio in this series can use a digital set the volume control ,  although the tone control is the volume available, but we can make a volume control with a series. to use this series, release potensiometer […]

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H This exciting project and something that many have been developed, but always remains to add some improvements. The DTMF decoder circuit for distinguishing some separate external components to produce devices capable of sending binary code from a button on the multi-tone phone. This circuit, in addition to […]

Digital Control

Digital Control Circuit for Switching using 4001B, 4N35 The continuous controller enclosed in the dashed square can be replaced by a digital controller shown below that performs same control task as the continuous controller. The basic difference between these controllers is that the digital system operates on discrete signals or samples of the sensed signal […]

How can i get Printed Circuit Board Design Standards?.While i am designing pcb layouts?

Rudra asked: This is regarding Electronics R&D Circuits. It’s must and should to follow some “IPC” standards those are designing circuits.I want that “IPC” standards freely. Anybody having that standards feel free forward it to my email id.

Circuit Timer using LM555 part 10

Circuit Timer using LM555 3 part 10

Incubator Timer Circuit

Incubator Timer Circuit The circuit of the proposed incubator egg timer using LM741 This Egg Timer is quick, easy to use

stereo headphone amplifier circuit

stereo headphone amplifier circuit stereo headphone amplifier circuit using KA1222 stereo headphone amplifier circuit stereo headphone amplifier circuit

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