{"product_id":"microphone-1","title":"Microphone","description":"\u003cp\u003eAdd an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20–20 kHz electret microphone soldered on.\u003c\/p\u003e\n\u003cp\u003eThis would be a great way to make \u003cstrong\u003esound-reactive NeoPixels\u003c\/strong\u003e — check out our \u003ca href=\"https:\/\/www.tinkertailor.ca\/products\/neopixel-starter-strip-try-me-pack-ws2812b\"\u003eNeoPixel Starter Strip\u003c\/a\u003e to pair with it!\u003c\/p\u003e\n\u003cp\u003eFor amplification, we use the \u003cstrong\u003eMaxim MAX4466\u003c\/strong\u003e — an op-amp specifically designed for this delicate task. It has excellent power supply noise rejection, so it sounds really good and isn’t nearly as noisy or scratchy as other mic amp breakouts.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable gain via trimmer pot on the back: \u003cstrong\u003e25× to 125×\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput range: ~200 mVpp (line level) up to ~1 Vpp (ideal for ADC input)\u003c\/li\u003e\n\u003cli\u003eRail-to-rail output — can go up to 5 Vpp on loud sounds\u003c\/li\u003e\n\u003cli\u003eFrequency range: 20–20,000 Hz\u003c\/li\u003e\n\u003cli\u003ePower: 2.4–5 V DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConnect \u003cstrong\u003eGND\u003c\/strong\u003e to ground and \u003cstrong\u003eVCC\u003c\/strong\u003e to 2.4–5 V DC (3.3 V recommended for lowest noise)\u003c\/li\u003e\n\u003cli\u003eAudio waveform comes out of the \u003cstrong\u003eOUT\u003c\/strong\u003e pin with a DC bias of VCC\/2\u003c\/li\u003e\n\u003cli\u003eConnect OUT directly to a microcontroller ADC pin — no amplifier or decoupling cap needed\u003c\/li\u003e\n\u003cli\u003eFor AC-coupled audio equipment, place a 100 μF capacitor between OUT and your device input\u003c\/li\u003e\n\u003cli\u003eNot designed to drive speakers — use an audio amplifier for that\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSound-reactive NeoPixel projects\u003c\/li\u003e\n\u003cli\u003eVoice changers and audio sampling\u003c\/li\u003e\n\u003cli\u003eFFT-based audio analysis\u003c\/li\u003e\n\u003cli\u003eClap or sound-triggered wearables\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tinker Tailor","offers":[{"title":"Default Title","offer_id":50076299526377,"sku":"TT-MICROPHONE","price":4.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/8006\/3209\/files\/microphoneSensor.jpg?v=1779723083","url":"https:\/\/www.tinkertailor.ca\/products\/microphone-1","provider":"Tinker Tailor","version":"1.0","type":"link"}