{"product_id":"jdy-31-bluetooth-ble-module-6-pin-version","title":"JDY-31 Bluetooth BLE Module 6-Pin Version","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003eJDY-31 Bluetooth 3.0 SPP Module – 6-Pin Version (HC-06 Compatible)\u003c\/h2\u003e\n\u003cstrong\u003eThe JDY-31 Bluetooth Module (6-Pin Version)\u003c\/strong\u003e is a classic Bluetooth serial communication module designed as a \u003cstrong\u003epin-compatible replacement for the HC-06\u003c\/strong\u003e. It is simpler to use, cost-effective, and widely adopted in embedded and DIY projects requiring reliable wireless UART communication. The module is based on \u003cstrong\u003eBluetooth 3.0 SPP (Serial Port Profile)\u003c\/strong\u003e and supports transparent data transmission with \u003cstrong\u003eWindows, Linux, and Android\u003c\/strong\u003e devices. \u003cbr\u003e\u003cbr\u003eOperating in the \u003cstrong\u003e2.4 GHz\u003c\/strong\u003e ISM band with \u003cstrong\u003eGFSK modulation\u003c\/strong\u003e, the JDY-31 offers a maximum transmission power of \u003cstrong\u003e8 dB\u003c\/strong\u003e and a communication range of up to \u003cstrong\u003e30 meters\u003c\/strong\u003e. Users can easily configure parameters such as device name, baud rate, and connection settings using \u003cstrong\u003eAT commands\u003c\/strong\u003e, making the module flexible and developer-friendly for serial Bluetooth applications.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eKey Features\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eBluetooth Version: Classic Bluetooth 3.0 (SPP)\u003c\/li\u003e\n\u003cli\u003ePin-compatible replacement for HC-06\u003c\/li\u003e\n\u003cli\u003eTransparent UART data transmission\u003c\/li\u003e\n\u003cli\u003eWorking Frequency: 2.4 GHz ISM band\u003c\/li\u003e\n\u003cli\u003eModulation Mode: GFSK\u003c\/li\u003e\n\u003cli\u003eMaximum Transmission Power: 8 dB\u003c\/li\u003e\n\u003cli\u003eTransmission Distance: Up to 30 meters\u003c\/li\u003e\n\u003cli\u003eAT command support for configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePin Configuration (6-Pin)\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 – STATE:\u003c\/strong\u003e Connection status output (low = not connected, high = connected)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 – RXD:\u003c\/strong\u003e Serial receive pin (connect to TX of MCU)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 – TXD:\u003c\/strong\u003e Serial transmit pin (connect to RX of MCU)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 – GND:\u003c\/strong\u003e Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 – VCC:\u003c\/strong\u003e Power supply (1.8–3.6 V, 3.3 V recommended)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 – EN:\u003c\/strong\u003e Enable pin (high = enabled, low = disabled)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eUsage Notes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eBasic operation requires only VCC, GND, RXD, and TXD connections\u003c\/li\u003e\n\u003cli\u003eTo actively disconnect while connected, use the \u003cstrong\u003eAT+DISC\u003c\/strong\u003e command\u003c\/li\u003e\n\u003cli\u003eEN pin allows software or hardware control of module enable\/disable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eAT Command Set (Common)\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+VERSION\u003c\/strong\u003e – Query version (Default: JDY-31-V1.2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+RESET\u003c\/strong\u003e – Soft reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+DISC\u003c\/strong\u003e – Disconnect (valid when connected)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+LADDR\u003c\/strong\u003e – Query MAC address\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+PIN\u003c\/strong\u003e – Set\/query pairing password (Default: 1234)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+BAUD\u003c\/strong\u003e – Set\/query baud rate (Default: 9600)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+NAME\u003c\/strong\u003e – Set\/query device name (Default: JDY-31-SPP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+DEFAULT\u003c\/strong\u003e – Restore factory settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT+ENLOG\u003c\/strong\u003e – Serial port status output (Default: 1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003ePin Count: 6-pin header\u003c\/li\u003e\n\u003cli\u003eAntenna Type: Built-in PCB antenna\u003c\/li\u003e\n\u003cli\u003ePCB Color: Blue\u003c\/li\u003e\n\u003cli\u003eForm Factor: Compact Bluetooth module\u003c\/li\u003e\n\u003cli\u003eMounting Type: Through-hole pins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eHC-06 replacement in Arduino projects\u003c\/li\u003e\n\u003cli\u003eWindows \u0026amp; Android Bluetooth serial communication\u003c\/li\u003e\n\u003cli\u003eWireless UART links\u003c\/li\u003e\n\u003cli\u003eSmart home and automation systems\u003c\/li\u003e\n\u003cli\u003eBluetooth-enabled control and monitoring devices\u003c\/li\u003e\n\u003cli\u003eEducational and DIY electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × JDY-31 Bluetooth 3.0 SPP Module (6-Pin Version)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":48627732414716,"sku":"KG1355","price":159.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/31BluetoothBLEModule_1.jpg?v=1767009360","url":"https:\/\/kitsguru.com\/de\/products\/jdy-31-bluetooth-ble-module-6-pin-version","provider":"KitsGuru","version":"1.0","type":"link"}