{"product_id":"kit-atl-biodiversity-sound-recorder","title":"ATL Biodiversity Sound Recorder","description":"\u003ch1\u003eBiodiversity Sound Recorder – Hear and Identify Every Bird Call with Raspberry Pi\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Beginner\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 2-3 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 10-15\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Audio Recording \u0026amp; Analysis\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eStraight out of the box, you’ll assemble a compact autonomous recorder that listens to the outdoors every few minutes, capturing crisp audio with the MAX4466 electret microphone. The Raspberry Pi Zero 2W runs a pre-loaded Python script that timestamps each recording and automatically performs spectral analysis — so when a bulbul or sunbird sings, the frequency signature pops up next to the clip, turning your backyard into an instant biodiversity lab.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou’ll wire the MAX4466 mic to the Pi Zero 2W, load the operating system onto the 16GB MicroSD card, and seal everything inside a waterproof enclosure. Once deployed on a balcony, garden wall, or school campus, the device records short .wav files at set intervals. A spectral analysis algorithm then breaks down the sound into frequency vs. time graphs, comparing peak frequencies with known bird call ranges, so you can log species without ever seeing them.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWiring a high‑sensitivity analog microphone to a single‑board computer\u003c\/li\u003e\n  \u003cli\u003eWriting (or customising) Python code for scheduled audio capture\u003c\/li\u003e\n  \u003cli\u003eImplementing Fast Fourier Transform (FFT) to extract frequency spectra from real‑world sound\u003c\/li\u003e\n  \u003cli\u003ePackaging electronics for outdoor fieldwork — cable management, waterproofing, and power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRaspberry Pi Zero 2W\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMAX4466 Mic\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Card 16GB\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicro USB Cable\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM-M Wires\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eDesigned for ATL Tinkering Labs, CBSE Class 9‑12 science projects, and Eco Club initiatives where biodiversity monitoring meets hands‑on electronics. Ideal for students preparing Smart India Hackathon Junior challenges, B.Tech ECE\/EEE introductory fieldwork, and VIT\/NIT\/IIT biodiversity hackathons — anyone who wants to move from a textbook FFT to a box in a tree that actually names the bird.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code on the box to launch the AI companion; it walks you through wiring, software setup, and deployment. For a human touch, our WhatsApp support is one message away — you’ll never be stuck for long.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need to know Python to run the recorder?\u003c\/summary\u003e\u003cp\u003eNo — the MicroSD card comes with all scripts pre‑loaded. Just plug in and power up. If you want to tweak the recording interval or analysis, the AI companion explains the Python code line by line.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this work in a noisy urban balcony, or does it need a silent forest?\u003c\/summary\u003e\u003cp\u003eThe MAX4466 is sensitive yet focused — it picks up birdsong from a 3‑storey balcony with traffic in the background. The spectral analysis highlights tonal bird calls, so even in a city, you’ll log koels, mynas, and sunbirds.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I match the frequencies to actual bird species?\u003c\/summary\u003e\u003cp\u003eThe spectral script outputs a peak‑frequency list; the AI companion includes a lookup tool with common Indian garden bird call ranges. For rarer species, it guides you to compare recordings with open‑source bird call databases, so you build identification skills alongside the tech.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eMAX4466 microphone on Pi Zero records ambient audio at set intervals — spectral analysis identifies bird calls.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/raspberry-pi-zero-2-w-quad-core-wifi-bluetooth-compoden\"\u003eRaspberry Pi Zero 2W\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eMAX4466 Mic\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Card 16GB\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microusb-cable-1m-charging-data-cord-for-arduino-android\"\u003eMicro USB Cable\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eM-M Wires x10\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the ATL Biodiversity Sound Recorder?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The ATL Biodiversity Sound Recorder includes all components needed: Raspberry Pi Zero 2W, MAX4466 Mic, MicroSD Card 16GB, Micro USB Cable, M-M Wires and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the ATL Biodiversity Sound Recorder?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Beginner level makers, suitable for ages 10-15. MAX4466 microphone on Pi Zero records ambient audio at set intervals — spectral analysis identifies bird calls. Estimated build time is 2-3 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the ATL Biodiversity Sound Recorder online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the ATL Biodiversity Sound Recorder is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. 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