{"title":"Open-Source Maker Projects","description":null,"products":[{"product_id":"dstike-christmas-tree-mp3-limited-eol-edition","title":"DSTIKE Christmas Tree MP3: Limited EOL Edition","description":"\u003ch1\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1060xOkUBDs?si=l7seDCjt-8ouW9M0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eWhat is it?\u003c\/h1\u003e\n\u003cp\u003eThis is a fully functional, open-source MP3 player disguised as a PCB Christmas tree. It features the unique ESP32-WROOM-DA (Dual Antenna) module as the \"star\" of the tree.\u003c\/p\u003e\n\u003ch2\u003eCollector's Note\u003c\/h2\u003e\n\u003cp\u003eThe ESP32-WROOM-DA module has been officially marked as End-of-Life (EOL) by the manufacturer. This makes this board not just a holiday decoration, but a limited edition piece of hardware history. Once these modules are gone, they are gone forever. Grab one while you can!\u003c\/p\u003e\n\u003cp\u003eIt comes fully assembled with a 1000mAh battery and a high-quality speaker, ready to play right out of the box.\u003c\/p\u003e\n\u003ch1\u003eWhy did you make it?\u003c\/h1\u003e\n\u003cp\u003eI wanted to create a holiday decoration that Geeks and Makers would love. Traditional ornaments are static, but this one is alive. More importantly, I wanted to create a tribute to the ESP32-WROOM-DA. Its unique dual-antenna design fits the Christmas tree aesthetic perfectly. This is my way of preserving this classic module in a fun, functional art piece.\u003c\/p\u003e\n\u003ch2\u003eOpen Source \u0026amp; Education：This project is designed for students, hackers, and makers.\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSource Code Included: The accompanying SD card is not just for music; it contains the complete source code and circuit schematics. You don't need to hunt for files online—it's all right there in your hand.\u003c\/li\u003e\n\u003cli\u003eLearn \u0026amp; Modify: Want to change the lighting patterns? Add new features? I've set up a GitHub repository (link below) so you can dive into the code. It's a perfect platform to learn about I2S audio, WS2812B control, and ESP32 programming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eKey Features:\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLimited Edition Hardware: Powered by the rare ESP32-WROOM-DA (N16), making it a unique collectible.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual Modes:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e1 .SD Card Mode: Plays MP3s from the included card.\u003c\/p\u003e\n\u003cp\u003e2 .Bluetooth Mode: Acts as a Bluetooth speaker for your phone.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAudio Visualizer: WS2812B RGB LEDs flash in sync with the music.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-Quality Audio: Equipped with a dedicated I2S amplifier and a high-quality speaker for clear, loud sound (much better than standard buzzers).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePortable: Built-in 1000mAh Li-Po battery + USB-A charging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReady to Use: Comes with an SD card pre-loaded with non-copyrighted holiday music.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHackable: Easy access to code and hardware design files.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMicrocontroller: ESP32-WROOM-DA (N16)\u003c\/li\u003e\n\u003cli\u003eDisplay: 1.54\" IPS Color Screen (Shows status, song title, and spectrum analyzer)\u003c\/li\u003e\n\u003cli\u003eAudio: I2S DAC + High-Quality Speaker\u003c\/li\u003e\n\u003cli\u003eStorage: SD Card Slot (Card included)\u003c\/li\u003e\n\u003cli\u003eLEDs: WS2812B Addressable RGB LEDs\u003c\/li\u003e\n\u003cli\u003ePower: USB-A (5V) \u0026amp; 1000mAh Battery (Included)\u003c\/li\u003e\n\u003cli\u003eControls: 5 Navigation Buttons (Vol+\/-, Prev\/Next, Play), 1 Mode Switch, 1 Reset Button.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eWhat makes it special?\u003c\/h1\u003e\n\u003cp\u003eThe PCB design is aesthetically pleasing with a custom green solder mask and snowflake patterns. The \"DA\" module at the top is uniquely utilized to complete the tree shape. It is a perfect gift for engineers, programmers, or anyone who loves techy gadgets.\u003c\/p\u003e\n\u003ch1\u003eWhat's Included:\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e1x DSTIKE Christmas Tree MP3 Player\u003c\/li\u003e\n\u003cli\u003e1x 1000mAh Battery (Pre-installed)\u003c\/li\u003e\n\u003cli\u003e1x SD Card (Pre-loaded with royalty-free music)\u003c\/li\u003e\n\u003cli\u003e1x 3D-print stand\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DSTIKE","offers":[{"title":"Default Title","offer_id":45748806320311,"sku":null,"price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0136\/5245\/9584\/files\/11_3fc2c8c0-7f1a-4144-8842-19046c1b5c97.png?v=1785895587"},{"product_id":"esp32-da-hi-fi-usb-bluetooth-speaker-open-source","title":"ESP32-DA Hi-Fi USB Bluetooth Speaker (Ultra-long distance)","description":"\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuujvnxqXFs?si=DU6Fqie4OJLLRFlI\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003eThe DSTIKE-DA is a premium, open-source USB Bluetooth speaker that pushes the limits of the ESP32 platform. Featuring a custom 16MB Flash ESP32-WROOM-DA module and the MAX98357 I2S DAC, it combines massive storage for your code with superior signal stability and digital audio performance.\u003c\/p\u003e\n\u003ch2\u003e🚀 Why 16MB Flash?\u003c\/h2\u003e\n\u003cp\u003eWhile standard modules only offer 4MB, our custom 16MB version gives you 4x the space! This is perfect for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLarge firmware builds (e.g., complex ESPHome configurations).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStoring local MP3\/WAV files for offline playback.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHuge OTA (Over-the-Air) partitions for worry-free remote updates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📡 Dual-Antenna \"DA\" Power\u003c\/h2\u003e\n\u003cp\u003eThe \"DA\" module features two complementary PCB antennas. It intelligently handles signal reception to ensure a rock-solid Bluetooth link even in interference-heavy environments, providing a much longer and more stable range than standard single-antenna boards.\u003c\/p\u003e\n\u003ch2\u003eVisual Status \u0026amp; Connectivity\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDefault Bluetooth Name: DSTIKE-DA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOnboard RGB LED (GPIO 4):\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🔴 Red: Standby \/ Searching for connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🟢 Green: Successfully paired and connected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs \u0026amp; Pinout:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMain Controller: Custom ESP32-WROOM-DA (16MB Flash)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAudio DAC\/Amp: MAX98357 (I2S Interface)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLRCK: GPIO 26\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBCLK: GPIO 27\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIN: GPIO 14\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower: 5V via USB-A Port\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAudio Output: 3W High-fidelity micro driver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoftware: 100% Open Source (Arduino \/ ESP-IDF compatible)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's in the Box?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Fully Assembled DSTIKE-DA USB Speaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eLink to GitHub Source Code \u0026amp; Documentation\u003c\/h2\u003e\n\u003cp\u003ehttps:\/\/github.com\/lspoplove\/ESP32-DA\u003c\/p\u003e","brand":"DSTIKE","offers":[{"title":"Default Title","offer_id":47264516964535,"sku":null,"price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0136\/5245\/9584\/files\/11_2570713a-5dbd-4862-8e6b-a6ab249480cb.png?v=1785895453"},{"product_id":"dstike-usb-wifi-internet-radio","title":"DSTIKE USB WiFi Internet Radio","description":"\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/qc5lTYnbCME?si=qDtv9E_H8-q_ract\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003eThis ultra-compact, ESP32-S3-powered USB dongle is a fully functional Internet Radio Player. Designed for enthusiasts who love minimalist tech, it connects to your WiFi and streams high-quality digital audio from online stations directly to its integrated speaker. No complex setup, no bulky cables—just plug it into any USB port and listen.\u003c\/p\u003e\n\u003ch2\u003eWhy You’ll Love It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePlug \u0026amp; Play Simplicity: Power it via laptop, power bank, or wall adapter. Perfect for your desk, car, or workshop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eESP32-S3 Powerhouse: Leveraging the native USB and dual-core processing of the S3 for smooth, buffer-free streaming.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully Customizable: Not locked into a specific app! Use the included TF card to add your own .txt playlist of your favorite global radio URLs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInteractive Visuals: A built-in LED provides instant feedback:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🔴 Solid Red: Searching for WiFi.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🌈 Rainbow Waterfall: Connected \u0026amp; Streaming.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePhysical Controls\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTop Button: Cycle through your personalized station list.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBottom-Right (Long Press): Reset WiFi credentials (Smart Config\/Portal mode).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBottom-Left (Short Press): Instant system reboot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMCU: ESP32-S3 (WiFi + Bluetooth SoC).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAudio: Integrated micro-speaker with optimized cavity in the enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAntenna: External flexible PCB antenna (iPEX) for superior range and stability compared to onboard antennas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorage: MicroSD slot (includes a 256MB card for configuration).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnclosure: Durable, clean white minimalist shell.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s in the Kit?\u003c\/h2\u003e\n\u003cp\u003eNote: This comes as a ready-to-assemble kit, perfect for a 5-minute DIY project!\u003c\/p\u003e\n\u003cp\u003e1x Main Board (ESP32-S3 Radio)\u003c\/p\u003e\n\u003cp\u003e1x External Flexible Antenna\u003c\/p\u003e\n\u003cp\u003e1x Integrated Speaker\u003c\/p\u003e\n\u003cp\u003e1x Protective Enclosure (Top \u0026amp; Bottom)\u003c\/p\u003e\n\u003cp\u003e1x 256MB TF Card (Pre-loaded with config file)\u003c\/p\u003e\n\u003cp\u003e1x Double-sided Tape (for secure internal mounting)\u003c\/p\u003e\n\u003ch2\u003eQuick Start Guide\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAssemble: Connect the antenna and speaker, then snap the board into the enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect: Plug into USB and follow the on-screen\/portal instructions to link your WiFi.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnjoy: Once the \"Waterfall\" LED starts, your radio is live!\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustomizing: To add your own stations, simply pop the TF card into a reader and edit the text file with your favorite streaming URLs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DSTIKE","offers":[{"title":"Default Title","offer_id":48467710378167,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0136\/5245\/9584\/files\/11_89751e67-1027-4fbe-9ff7-8649e0871824.png?v=1785895399"},{"product_id":"dstike-esp32-walkie-talkie","title":"DSTIKE ESP32 Walkie Talkie","description":"\u003ch1\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/fY95JL2EtdA?si=QY6KDuwJXevedUzJ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eOpen-Source ESP-NOW Voice Communication Device for Makers\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eWhat is it?\u003c\/h1\u003e\n\u003cp\u003eThe DSTIKE ESP32 Walkie Talkie is a fully assembled, open-source voice communication device built around the ESP32-WROOM-DA module.\u003c\/p\u003e\n\u003cp\u003eInstead of using a conventional radio system, it transmits digital voice data directly between compatible devices using ESP-NOW. No Wi-Fi router or internet connection is required. Under open, low-interference, line-of-sight conditions, the communication range can reach approximately 150 meters.\u003c\/p\u003e\n\u003cp\u003eThis product was designed to help makers and beginners explore ESP-NOW through a practical, working device. The schematic and firmware source code are open-source, allowing experienced developers to modify the hardware and software, experiment with audio transmission, or turn it into a Wi-Fi-based intercom and other creative wireless communication projects.\u003c\/p\u003e\n\u003ch1\u003eFully Assembled Maker Hardware\u003c\/h1\u003e\n\u003cp\u003eThe device is delivered as an assembled finished product. It features a custom PCB, a 3D-printed enclosure, a transparent acrylic front panel, and 3D-printed control switches.\u003c\/p\u003e\n\u003cp\u003eA 1.3-inch display shows the current operating information, including the selected channel and volume status. Three brown control buttons provide access to 10 preset channels and volume adjustment:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShort press to change the operating channel\u003c\/li\u003e\n\u003cli\u003eLong press to adjust the speaker volume\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe large red PTT button provides simple push-to-talk operation.\u003c\/p\u003e\n\u003ch1\u003eRGB Status Indicator\u003c\/h1\u003e\n\u003cp\u003eA built-in RGB LED clearly shows the current operating state:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreen: Standby and ready\u003c\/li\u003e\n\u003cli\u003eRed: PTT pressed and voice signal transmitting\u003c\/li\u003e\n\u003cli\u003eBlue: Voice signal received and playing through the speaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eBattery and Charging\u003c\/h1\u003e\n\u003cp\u003eThe ESP32 Walkie Talkie includes a built-in rechargeable 2500mAh 18650 battery.\u003c\/p\u003e\n\u003cp\u003eFour individual LEDs provide a clear battery-level indication, while the charging circuit supports an input of up to 5V\/1.5A.\u003c\/p\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eESP32-WROOM-DA main controller\u003c\/li\u003e\n\u003cli\u003eESP-NOW digital voice communication\u003c\/li\u003e\n\u003cli\u003eHalf-duplex push-to-talk operation\u003c\/li\u003e\n\u003cli\u003eCommunication range up to approximately 150 meters in open conditions\u003c\/li\u003e\n\u003cli\u003eNo Wi-Fi router or internet connection required\u003c\/li\u003e\n\u003cli\u003e1.3-inch information display\u003c\/li\u003e\n\u003cli\u003e10 preset communication channels\u003c\/li\u003e\n\u003cli\u003eShort-press channel selection\u003c\/li\u003e\n\u003cli\u003eLong-press volume adjustment\u003c\/li\u003e\n\u003cli\u003eRGB operating-status indicator\u003c\/li\u003e\n\u003cli\u003eBuilt-in 2500mAh 18650 battery\u003c\/li\u003e\n\u003cli\u003eFour-LED battery-level indicator\u003c\/li\u003e\n\u003cli\u003eCharging input up to 5V\/1.5A\u003c\/li\u003e\n\u003cli\u003eLarge red PTT button\u003c\/li\u003e\n\u003cli\u003e3D-printed enclosure and switches\u003c\/li\u003e\n\u003cli\u003eTransparent acrylic front panel\u003c\/li\u003e\n\u003cli\u003eOpen-source schematic and firmware\u003c\/li\u003e\n\u003cli\u003eFully assembled product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eDesigned for Learning and Modification\u003c\/h1\u003e\n\u003cp\u003eThis is more than a finished walkie-talkie—it is an open development platform for learning how ESP-NOW voice communication works.\u003c\/p\u003e\n\u003cp\u003eBeginners can use the assembled device to understand ESP-NOW, push-to-talk logic, wireless audio transmission, displays, RGB status indicators, battery management, and embedded user interfaces.\u003c\/p\u003e\n\u003cp\u003eDevelopers can modify the source code to explore conventional Wi-Fi audio transmission, custom channel systems, new user interfaces, remote control applications, wireless notification devices, or other ESP32-based communication projects.\u003c\/p\u003e\n\u003cp\u003eBecause the ESP32-WROOM-DA module has been discontinued, this product may also be of interest to ESP32 enthusiasts and collectors who want a functional product built around this distinctive module.\u003c\/p\u003e\n\u003ch1\u003eImportant Notes\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAt least two compatible units are required for voice communication.\u003c\/li\u003e\n\u003cli\u003eThis product uses ESP-NOW and is not compatible with conventional analog walkie-talkies, FRS, GMRS, PMR446, or other traditional radio systems.\u003c\/li\u003e\n\u003cli\u003eThe stated 150-meter range is based on open, low-interference conditions. Actual range will vary depending on buildings, walls, antennas, nearby wireless signals, and the operating environment.\u003c\/li\u003e\n\u003cli\u003eThis product is intended for makers, education, development, and experimentation. It should not be used as an emergency or safety-critical communication device.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eDesign Files\u003c\/h1\u003e\n\u003cp\u003ehttps:\/\/github.com\/lspoplove\/ESP32-Walkie-Talkie\u003c\/p\u003e","brand":"DSTIKE","offers":[{"title":"Walkie-talkie x1","offer_id":48990683365559,"sku":null,"price":79.0,"currency_code":"USD","in_stock":true},{"title":"Walike-talkie x2","offer_id":48990683398327,"sku":null,"price":148.0,"currency_code":"USD","in_stock":true},{"title":"Walkie-talkie+Speaker(Receive-only)","offer_id":48992896188599,"sku":null,"price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0136\/5245\/9584\/files\/11_dba2027f-305d-47f8-87fd-5b6482761c37.png?v=1786608690"},{"product_id":"dstike-esp32-walkie-talkie-speaker-receive-only","title":"DSTIKE ESP32 Walkie-Talkie Speaker (Receive-Only)","description":"\u003ch1\u003eWhat is it?\u003c\/h1\u003e\n\u003cp\u003eThe ESP32 Walkie-Talkie Speaker is a compact, USB-powered wireless receiver designed as a companion speaker for the DSTIKE ESP32 Walkie-Talkie.\u003c\/p\u003e\n\u003cp\u003eIt receives voice transmissions from a compatible ESP32 Walkie-Talkie and plays them through a clear 4Ω\/3W speaker. It is ideal for situations where you need a fixed listening point or louder audio but do not need two-way communication.\u003c\/p\u003e\n\u003cp\u003ePlease note that this is a receive-only device. It cannot transmit voice.\u003c\/p\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eESP32-WROOM-DA main controller\u003c\/li\u003e\n\u003cli\u003eUp to 150 meters of reception range in open, unobstructed environments\u003c\/li\u003e\n\u003cli\u003ePowered directly from a 5V USB-A port\u003c\/li\u003e\n\u003cli\u003eClear 4Ω\/3W speaker\u003c\/li\u003e\n\u003cli\u003e10 preset channels shared with the ESP32 Walkie-Talkie\u003c\/li\u003e\n\u003cli\u003eRecessed channel button prevents accidental operation\u003c\/li\u003e\n\u003cli\u003eDual-color status indicator\u003c\/li\u003e\n\u003cli\u003eCompact 3D-printed enclosure\u003c\/li\u003e\n\u003cli\u003eOpen-source schematic and firmware\u003c\/li\u003e\n\u003cli\u003eSupports firmware modification and secondary development\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eStatus Indicator\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eGreen: Powered on and standing by\u003c\/li\u003e\n\u003cli\u003eBlue: Receiving and playing audio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eChannel Selection\u003c\/h1\u003e\n\u003cp\u003eThe speaker supports the same 10 preset channels as the compatible ESP32 Walkie-Talkie.\u003c\/p\u003e\n\u003cp\u003eA recessed channel button is located behind a small access hole in the enclosure. Gently press the button using a thin pin or similar tool to change the channel. The speaker and transmitting walkie-talkie must be set to the same channel.\u003c\/p\u003e\n\u003ch1\u003eOpen-Source and Maker-Friendly\u003c\/h1\u003e\n\u003cp\u003eThis product can also be used as an ESP32 development platform. The schematic and source code are open source, allowing makers and developers to modify the firmware, customize the channel system, change the LED behavior, experiment with audio processing, or develop new wireless receiver applications.\u003c\/p\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMain controller: ESP32-WROOM-DA\u003c\/li\u003e\n\u003cli\u003eWireless technology: ESP-NOW\u003c\/li\u003e\n\u003cli\u003eOperating mode: Receive-only\u003c\/li\u003e\n\u003cli\u003ePreset channels: 10\u003c\/li\u003e\n\u003cli\u003eMaximum tested range: Up to 150 meters\u003c\/li\u003e\n\u003cli\u003eSpeaker: 4Ω\/3W\u003c\/li\u003e\n\u003cli\u003ePower input: 5V through USB-A\u003c\/li\u003e\n\u003cli\u003eStatus light: Green\/blue\u003c\/li\u003e\n\u003cli\u003eEnclosure: 3D-printed plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eImportant Compatibility Information\u003c\/h1\u003e\n\u003cp\u003eThis product is designed for compatible DSTIKE ESP32 Walkie-Talkies using the same firmware, communication protocol, and channel setting.\u003c\/p\u003e\n\u003cp\u003eIt is not compatible with conventional analog walkie-talkies, commercial two-way radios, or other radio systems unless the hardware and firmware are modified by the user.\u003c\/p\u003e\n\u003cp\u003eActual reception distance depends on obstacles, interference, antenna orientation, USB power quality, and the surrounding environment. The stated 150-meter range was measured under open and relatively unobstructed conditions.\u003c\/p\u003e\n\u003cp\u003eBecause the enclosure is 3D printed, minor layer lines and small surface variations are normal and do not affect operation.\u003c\/p\u003e\n\u003ch1\u003eDesign Files\u003c\/h1\u003e\n\u003cp\u003ehttps:\/\/github.com\/lspoplove\/ESP32-Walkie-Talkie-Speaker\u003c\/p\u003e","brand":"DSTIKE","offers":[{"title":"Default Title","offer_id":48992876003511,"sku":null,"price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0136\/5245\/9584\/files\/6_47328572-176b-4068-98fc-1ffe05fa5664.png?v=1786678032"}],"url":"https:\/\/dstike.com\/collections\/open-source-projects.oembed","provider":"DSTIKE","version":"1.0","type":"link"}