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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

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    Fixing the 7-segment LED of Sony sound system

    I have one Sony 5.1 sound system but its 7-segment LED display is not working properly because the numbers (volume level) are not showing up completely and all the segments don't light up. Sometimes, the whole display shows nothing at all. I need to know whether the LED driver IC (PTC 6955) is...
  2. D

    Understanding the meaning and purpose of LNA_EN, RESET, SDIO, SCLK, IRQ (To MCU)

    Hi group. I'm considering building a AM/FM/SW radio using the Skyworks Solutions SI4844-B20-GU. In reviewing the pin information, there are several abbreviations that aren't clear in what they are and what they are meant to do. These are RESET, SDIO, SCLK, IRQ (all to MCU) and LNA_EN...

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