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  • 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.

microphone

  1. riccardo

    Adding an aux input to a microphone

    Hello, I have a small PA unit that has a wireless microphone. The mic seems not to be very sensitive as I have to put it right to my mouth and speak loudly for any sound to come out at all. I'm wondering what the best way is to a) improve the mic sensitivity. b) Is there a simple circuit I can...
  2. L

    Rasperry Pi Pico W I2S interface probelm

    Hi, I have a question: is it possible to use the I2S interface on the Raspberry Pi Pico W? The Raspberry Pi Pico W doesn't have an I2S interface, but I found online that it's possible to simulate an I2S interface on the Raspberry Pi Pico W, but I'm not able to do it myself. The problem is that I...
    • Lay-Z
    • Thread
    • i2s microcontroler microphone pi pico w problem rasperry
    • Replies: 1
    • Forum: Microcontrollers
  3. L

    Microphone to microcontroller

    Hi, Im looking for microphone to microcontroller. It is important that the microphone should have automatic gain. Im looking for microphone similar to https://wiki.dfrobot.com/Gravity__Analog_Sound_Level_Meter_SKU_SEN0232#target_5 but more cheaper. I found only max9814 and sen-12642 but that...
  4. L

    Replacement for NJM5532 (Australia)

    Hello I am currently build GreatScott's diy microphone and he uses an NJM5532 op amp but those are not readily available here in Australia. I have looked into buying them online however, shipping cost around $20 and that's very expensive compared to the price of the op amp. Does anyone know a...
  5. adqwdqw

    How to repair my microphone ? [pics and schematic included]

    My micro stopped working. I opened it and found this : Can you give an opinion whats wrong and how to fix ?
  6. J

    Replacing mini electret mic with a headset

    Hi, I've been building an intercom circuit based on the design by colin55 found in this thread: https://www.electro-tech-online.com/threads/lm386n-1-elecret-mic-amp.121819/#post-1004570 **broken link removed** I was wondering how it would be possible to replace the miniature microphone with a...
  7. A

    48 Volt Phantom Power Supply with Photo-Schematic. Transformer Question.

    Hey guys, This is my first post and I am happy to have found this website. I am currently working on a project using a PCB and jumper wires to make a 48v Phantom Power supply to be used with multiple condenser microphones. To make a long story short, I found a "mostly" detailed post on another...
  8. N

    Repairing QPAD QH-90 Headset

    Hi, so I have a QPAD QH-90 gaming headset that I am trying to repair. From the headset is a cable that then splits into a TRS plug for audio, and one for the microphone. The cable for the microphone broke behind the plug, so I was going to solder on a new plug. But the wires inside doesn't look...

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