{"product_id":"lm386-audio-power-amplifier-sound-detection-sensor-module","title":"LM386 Audio Amplifier \u0026 Sound Detection Sensor Module 3.3V–5V","description":"\n\u003ch2\u003eLM386 Audio Power Amplifier \u0026amp; Sound Detection Sensor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLM386 Audio Power Amplifier Module\u003c\/strong\u003e is a compact, versatile sensor board designed for ambient sound detection and audio amplification in DIY electronics and microcontroller projects. Operating on a wide supply voltage range of \u003cstrong\u003e3.3V to 5.3V\u003c\/strong\u003e, this module is compatible with Arduino, Raspberry Pi, and other popular development platforms — making it an ideal choice for hobbyists, students, and engineers alike.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're building a voice-activated circuit, a sound-triggered relay system, or an audio output project, this board delivers reliable performance in a small SMD package. Available in a \u003cstrong\u003e1-piece or 2-piece set\u003c\/strong\u003e, it offers great value for prototyping or building redundancy into your design.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIC:\u003c\/strong\u003e LM386 low-voltage audio power amplifier chip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.3V – 5.3V (compatible with 3.3V and 5V logic systems)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Ambient sound detection \u0026amp; audio signal amplification\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e SMD (Surface-Mount Device)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C – 120°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Available as 1-pack or 2-pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVoice-activated switches and clap-detection circuits\u003c\/li\u003e\n  \u003cli\u003eSound-triggered relay and automation systems\u003c\/li\u003e\n  \u003cli\u003eAudio amplification for small speakers in microcontroller projects\u003c\/li\u003e\n  \u003cli\u003eNoise\/ambient sound monitoring for smart home or robotics applications\u003c\/li\u003e\n  \u003cli\u003eEducational electronics experiments and STEM projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis module works seamlessly with Arduino Uno, Nano, Mega, ESP8266, ESP32, Raspberry Pi, and most other 3.3V\/5V development boards. Simply connect power, ground, and your signal line to get started.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What microcontrollers is the LM386 sound detection sensor module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The LM386 audio amplifier module is compatible with a wide range of microcontrollers and development boards that operate at 3.3V or 5V, including Arduino Uno, Arduino Nano, Arduino Mega, ESP8266, ESP32, and Raspberry Pi. Its broad supply voltage range of 3.3V–5.3V makes it highly versatile for most hobbyist and professional DIY electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this module be used for both sound detection and audio amplification?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The LM386 module serves a dual purpose. It can detect ambient sound levels (acting as a voice\/sound sensor) to trigger actions in your circuit, and it can also amplify low-level audio signals to drive small speakers. This makes it a great all-in-one solution for audio-related microcontroller projects.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included when I order the 2-piece set?\u003c\/h4\u003e\n\u003cp\u003eA: When you select the 2-piece option, you will receive two individual LM386 audio power amplifier and sound detection sensor boards. Each board is brand new and individually packaged in an SMD form factor, ready for use in your electronics project or as spares.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What microcontrollers is the LM386 sound detection sensor module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LM386 audio amplifier module is compatible with a wide range of microcontrollers and development boards that operate at 3.3V or 5V, including Arduino Uno, Arduino Nano, Arduino Mega, ESP8266, ESP32, and Raspberry Pi. Its broad supply voltage range of 3.3V–5.3V makes it highly versatile for most hobbyist and professional DIY electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"Can this module be used for both sound detection and audio amplification?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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Each board is brand new and individually packaged in an SMD form factor, ready for use in your electronics project or as spares.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LM386 Audio Amplifier \u0026 Sound Detection Sensor Module 3.3V–5V\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/lm386-audio-power-amplifier-sound-detection-sensor-module\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"1PC","offer_id":44166651805783,"sku":"14:350852#1PC","price":11.7,"currency_code":"USD","in_stock":true},{"title":"2PCS","offer_id":44166651838551,"sku":"14:10#2PCS","price":17.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S795d54bb586d4072b918a08f099d5168q.webp?v=1786741961","url":"https:\/\/axlcustomersupport.com\/products\/lm386-audio-power-amplifier-sound-detection-sensor-module","provider":"Axl","version":"1.0","type":"link"}