{"product_id":"voice-recognition-module-v3-with-microphone-for-arduino","title":"Voice Recognition Module V3 with Microphone for Arduino","description":"\u003ch1\u003eVoice Recognition Module V3 with Microphone - Arduino Compatible\u003c\/h1\u003e\u003cp\u003eThe Voice Recognition Module V3 is a compact, self-contained speech recognition board with an integrated microphone, designed for Arduino and other microcontrollers. It can be trained to recognize up to 80 voice commands with high accuracy, enabling hands-free control in your projects. Its UART interface and simple command set make it easy to integrate into home automation, robotics, and assistive technology.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd\u003e4.5V - 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 40mA (active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUART (TTL serial, 9600bps default)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecognition Accuracy\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;99% under ideal conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Commands\u003c\/td\u003e\n\u003ctd\u003eUp to 80 trainable commands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-board Microphone\u003c\/td\u003e\n\u003ctd\u003eYes, omnidirectional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/control-appliances-with-your-voice-arduino-and-hc-05-home-automation-kit\"\u003eVoice-controlled home automation system (lights, fans, appliances)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eVoice-activated robot or rover\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-servo-door-lock\"\u003eVoice password door lock for security\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eAssistive device for differently-abled individuals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThis module works with any 5V microcontroller that has a UART, including Arduino Uno, Mega, Nano, and Leonardo. For 3.3V boards like ESP8266 or Raspberry Pi, use a logic level shifter. It's commonly paired with relay modules, motor drivers, or displays for interactive projects.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003eConnect VCC to 5V, GND to GND, RX to Arduino pin 3 (software serial), and TX to pin 2. If communication is unreliable, add a 10KΩ pull-up resistor on the RX line. The module draws under 40mA, so standard USB power is sufficient.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with Raspberry Pi?\u003c\/summary\u003e\u003cp\u003eYes, but you'll need a logic level shifter to convert the Raspi's 3.3V UART to 5V. Connect the module's RX\/TX through a bidirectional level converter.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I train custom voice commands?\u003c\/summary\u003e\u003cp\u003eYou can train commands using a USB-to-serial adapter and the manufacturer's PC software, or directly from Arduino code using the provided library and serial commands.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it work in noisy environments?\u003c\/summary\u003e\u003cp\u003eThe module includes noise reduction, but for best accuracy, use it in a quiet space within 1 meter of the speaker. Avoid background music or loud chatter.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444947935597,"sku":"CDN-0087","price":2280.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_7d42dcbb-9c81-48c9-95b4-dec7e873ec4a.jpg?v=1781512161","url":"https:\/\/compoden.com\/products\/voice-recognition-module-v3-with-microphone-for-arduino","provider":"Compoden","version":"1.0","type":"link"}