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  • Nokia 6170 cell phone internal

    2016-02-06 06:10:1764

    pinout 5 pin Nokia 6170 cellphone specialconnector at the mobile phone (near sim-card) Pin Signal Description 1 Vpp 2 Tx 3 MBUS 4 Rx 5 GND Source:www.p...

  • Cell Phone Misuse. Some facts

    2016-02-06 05:19:2774

    See how an excellent electronic device is misusing when it is popular. There is no electronics content in this article, still it is related to an elect...

  • Reused the Old CDs and Turn it into a DIY iPhone Dock!

    2016-02-05 23:47:1866

    In our daily life, we’re always used the CDs/DVDs to burn some MP3 songs or movies. Don’t try to deny it, as I knew you’re going to say, “Reall...

  • Panasonic GD30, GD50, GD70, GD90 cell phones

    2016-02-05 23:10:4762

    full pinout 18 pin cellphone 2 rows specialconnector at the mobile phone (keypad up) Pin Number Pin Name Direction Description 1 GND -?- В? 2 TX_AUDIO...

  • Not Just Another Headphone Amp

    2016-02-05 19:48:2773

    The ping of the cymbals, crack of the snare drum, thonk of the bass - none of these comes through on my low-budget speakers. Sometimes they sound so fu...

  • Speaker Microphone CIRCUIT (BC109C)

    2016-02-05 17:29:3183

    This article describes the Speaker Microphone CIRCUIT (BC109C). The content is very simple, very helpful. Components in this article can help you under...

  • Phone Hold With Music electronic circuit diagram

    2016-02-05 17:06:1362

    This circuit will allow you to place a phone call on hold and if you wish to have them listen to music while they are on hold. The circuit operates as ...

  • Phone ring circuit schematic

    2016-02-05 14:41:1863

    Phone ring circuit schematic Related posts: Detecting a telephone RING300 baud modem circuit schematicPhone Line to Audio`phone rang` indicator lightDi...

  • XR-T6425 Speakerphone IC circuit

    2016-02-05 13:55:46247

    Many modern speakerphones must first be calibrated to the acoustic characteristics of the room in which they will be used. During this calibration phas...

  • Wireless IR headphone transmitter(2N2222A)

    2016-02-05 11:56:4268

    This article describes the Wireless IR headphone transmitter (2N2222A). The content is very simple, very practical. The components of the article can h...

  • Dynamic microphone to electret microphone input

    2016-02-05 10:26:2267

    Summary of circuit features: Circuit which works as an preamplifier which allows you to replace an electret microphone with a dynamic microphone.Circui...

  • Telephone call Voice Changer(LM358)

    2016-02-05 10:12:32118

    This article describes a Telephone call Voice Changer (LM358). The principle is very simple, very practical. The circuit components can help you unders...

  • Ac Ringing Voltage Extension Phone Ringer

    2016-02-05 08:31:0764

    Federal Signals TELS Extension Ringer Device is a compact strobe light which is activated by the ringing signal of a telephone system. TheTELSis specif...

  • Phone Busy Indicator

    2016-02-05 07:36:4265

    Have you ever been using the modem or fax and someone else picks up the phone, breaking the connection? Well, this simple circuit should put an end to ...

  • Philips Genie cell phone

    2016-02-05 07:22:5969

    for data/flash cable only 18 pin Phillips cellphone specialconnector at the mobile phone Pin Signal Description 5 Tx 6 Rx 9 GND Source:www.pinouts.ru R...

  • The Link A2B 1 (the Link Telephone Intercom - DTMF version)

    2016-02-05 05:57:1365

    The Link A2B 1 (the Link Telephone Intercom - DTMF version) Circuit The Link A2B 1 ? Explanation Since the recent publication of ?The Link Telephone In...

  • Mobile Cellphone Battery Charger(NE555)

    2016-02-05 05:22:4968

    This article describes the Mobile Cellphone Battery Charger (NE555). The principle is very simple, very practical. The circuit components can help you ...

  • Two Transistors Wireless Microphone (FM Transmitter)

    2016-02-05 03:59:17182

    Please be warned if operating this circuit might violate the regulation of your country, because this FM transmitter circuit radiate strong radio frequ...

  • PC Sound Card with Stereo Microphone Line Mixer

    2016-02-05 02:43:2473

    Figure 1 The circuit is aimed to build a computer sound card with input line in order to use a two mono stereo microphone. TLC272 – a precision dual ...

  • HowTo: Make a LoFi Mic from an Old Telephone

    2016-02-05 02:39:1797

    The speaker in an old telephone makes a great lo-fi mic. Just wire a 1/4 inch jack straight up to the speaker and enlarge the telephone jack hole to mo...

  • Phone ringtones 556 pairs timer principle explanation

    2016-02-05 01:58:0165

    Next is the phone rings using 556 pairs timer principle explanation. The most effective way is to grasp the principle of combining schematic view text,...

  • Hear with Ultrasound Using Flanagan Neurophone

    2016-02-04 22:53:0172

    By mixing an audio signal with ultrasound, you can hear the audio as if it's inside your head... even if the 'headphones' are nowhere near your ears. P...

  • Phone line in use indicator CIRCUIT (BF256B)

    2016-02-04 21:32:3966

    This article describes the Phone line in use indicator CIRCUIT (BF256B). The content is very simple, very helpful. Components in this article can help ...

  • Loudspeaker Microphone Circuit

    2016-02-04 20:59:1371

    Description: This circuit takes an ordinary loudspeaker and allows it to be used in reverse, as a microphone. Circuit Notes: This circuits allows you t...

  • Cut Phone Line Detector CIRCUIT (L6506)

    2016-02-04 19:06:5063

    This article describes the Cut Phone Line Detector CIRCUIT (L6506). The content is very simple, very helpful. Components in this article can help you u...

  • Nokia 6500, 6510, 8310 cell phones internal

    2016-02-04 18:37:1562

    pinout 12 pin Nokia 8310 cellphone specialconnector at the mobile phone Pin Number Pin Name 7 Gnd 9 MBUS 11 Vpp 8 Rx 10 Tx A GND C BSI D Vbat Source:ww...

  • Nokia 6820 cell phone internal

    2016-02-04 18:30:0962

    for data/flash cable only 9 pin Nokia 6820 cellphone specialconnector at the mobile phone Pin Signal Description 2 Tx 3 Rx 6 Vpp 7 MBUS 8 GND Source:ww...

  • Compter microphone CIRCUIT (BC547C)

    2016-02-04 16:04:2263

    This article describes the Compter microphone CIRCUIT (BC547C). The principle is very simple, very practical. The circuit components can help you under...

  • Samsung z105 cell phone

    2016-02-04 11:02:1563

    24 pin Samsung cellphone specialconnector at the cellular phone (keypad up) Pin Signal Description 6 5V USB 5V 7 D USB Data 9 D- USB Data - 20 GND Grou...

  • BUG wireless telephone circuit

    2016-02-04 10:48:1666

    This article describes a wireless phone Bug. The circuit is simple, inexpensive, and effective. As long as Duokanjibian The schematic can master the pr...

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