{"product_id":"jdy-31-bluetooth-ble-module-4-pin-version","title":"JDY-31 Bluetooth BLE Module 4-Pin Version","description":"\u003cdiv class=\"product_info\"\u003e\n  \u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eJDY-31 Bluetooth 3.0 SPP UART Wireless Serial Communication Module\u003c\/span\u003e\u003c\/h2\u003e\n  The \u003cstrong\u003eJDY-31 Bluetooth Module\u003c\/strong\u003e is a compact \u003cstrong\u003eBluetooth 3.0 SPP wireless communication module\u003c\/strong\u003e designed for reliable \u003cstrong\u003eserial data transmission\u003c\/strong\u003e in embedded and automation projects. Operating at \u003cstrong\u003e2.4GHz\u003c\/strong\u003e and using a \u003cstrong\u003eUART communication interface\u003c\/strong\u003e, this module enables convenient wireless connectivity between microcontrollers, computers, and compatible Bluetooth-enabled devices.\u003cbr\u003e\u003cbr\u003e\n  Built for stable performance, the \u003cstrong\u003eJDY-31 Bluetooth transmission module\u003c\/strong\u003e offers \u003cstrong\u003efast data transfer\u003c\/strong\u003e, \u003cstrong\u003elow power consumption\u003c\/strong\u003e, and dependable operation in a wide range of environments. It features a \u003cstrong\u003ebuilt-in PCB antenna\u003c\/strong\u003e, supports \u003cstrong\u003eslave mode\u003c\/strong\u003e, and provides a transmission distance of up to \u003cstrong\u003e30 meters\u003c\/strong\u003e, making it suitable for many short-range wireless communication applications.\u003cbr\u003e\u003cbr\u003e\n  This module is widely used in \u003cstrong\u003eIoT devices\u003c\/strong\u003e, \u003cstrong\u003esmart home systems\u003c\/strong\u003e, \u003cstrong\u003ewireless control projects\u003c\/strong\u003e, \u003cstrong\u003ewearable electronics\u003c\/strong\u003e, and other serial communication setups. With simple pin connections and practical UART support, it is a useful solution for developers, students, and electronics enthusiasts working on wireless data communication projects.\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n  \u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n  \u003cdiv id=\"p_info\"\u003e\n    \u003cul class=\"pro-ds\"\u003e\n      \u003cli\u003eBluetooth 3.0 SPP wireless communication module\u003c\/li\u003e\n      \u003cli\u003eUART serial interface for easy integration\u003c\/li\u003e\n      \u003cli\u003eFast and stable wireless data transmission\u003c\/li\u003e\n      \u003cli\u003eLow power consumption for long-term operation\u003c\/li\u003e\n      \u003cli\u003eBuilt-in PCB antenna design\u003c\/li\u003e\n      \u003cli\u003eSupports secure and reliable pairing\u003c\/li\u003e\n      \u003cli\u003eSuitable for slave mode communication\u003c\/li\u003e\n      \u003cli\u003eTransmission distance up to 30 meters\u003c\/li\u003e\n      \u003cli\u003eCompact size for embedded applications\u003c\/li\u003e\n      \u003cli\u003eWide operating temperature range\u003c\/li\u003e\n      \u003cli\u003eSuitable for IoT and smart device projects\u003c\/li\u003e\n      \u003cli\u003eUseful for wireless serial communication systems\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n  \u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n  \u003cdiv id=\"p_info\"\u003e\n    \u003cul class=\"pro-ds\"\u003e\n      \u003cli\u003eModel: JDY-31\u003c\/li\u003e\n      \u003cli\u003eBluetooth Version: Bluetooth 3.0 SPP\u003c\/li\u003e\n      \u003cli\u003eWorking Frequency: 2.4GHz\u003c\/li\u003e\n      \u003cli\u003eCommunication Interface: UART\u003c\/li\u003e\n      \u003cli\u003eInput Voltage with Soldered Baseboard: 3.6V to 6V\u003c\/li\u003e\n      \u003cli\u003eRecommended Input Voltage: 5V\u003c\/li\u003e\n      \u003cli\u003eTransmission Distance: 30 meters\u003c\/li\u003e\n      \u003cli\u003eAntenna Type: Built-in PCB Antenna\u003c\/li\u003e\n      \u003cli\u003eMaster-Slave Support: Slave\u003c\/li\u003e\n      \u003cli\u003eOperating Temperature: -40℃ to +80℃\u003c\/li\u003e\n      \u003cli\u003eModule Size: 38.0mm × 16.0mm\u003c\/li\u003e\n      \u003cli\u003eSTM Soldering Temperature: \u0026lt;260℃\u003c\/li\u003e\n      \u003cli\u003eUnconnected Operating Current: 4.7mA\u003c\/li\u003e\n      \u003cli\u003eCurrent after BLE Connection: 7.3mA\u003c\/li\u003e\n      \u003cli\u003eTransmitting Power: 8dB Max\u003c\/li\u003e\n      \u003cli\u003eReceive Sensitivity: -97dBm SPP\u003c\/li\u003e\n      \u003cli\u003eMaximum Throughput: 16K bytes\/s\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n  \u003ch3 class=\"sing--sub-heading\"\u003ePin Functions\u003c\/h3\u003e\n  \u003cdiv id=\"p_info\"\u003e\n    \u003cul class=\"pro-ds\"\u003e\n      \u003cli\u003eVCC: Power supply input, recommended 5V\u003c\/li\u003e\n      \u003cli\u003eGND: Ground connection pin\u003c\/li\u003e\n      \u003cli\u003eTXD: Serial data transmission output pin\u003c\/li\u003e\n      \u003cli\u003eRXD: Serial data receiving input pin\u003c\/li\u003e\n      \u003cli\u003eEN: Enable control pin for working state\u003c\/li\u003e\n      \u003cli\u003eSTATE: Status output pin for connection indication\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\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\"\u003e\n      \u003cli\u003eInternet of Things devices\u003c\/li\u003e\n      \u003cli\u003eSmart home automation systems\u003c\/li\u003e\n      \u003cli\u003eWireless serial communication projects\u003c\/li\u003e\n      \u003cli\u003eWearable electronic devices\u003c\/li\u003e\n      \u003cli\u003eRemote monitoring systems\u003c\/li\u003e\n      \u003cli\u003eMicrocontroller and embedded development\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\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\"\u003e\n      \u003cli\u003eDimensions: 38.0mm × 16.0mm\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\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 UART Wireless Communication Module\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":48627732381948,"sku":"KG1354","price":199.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/JDY-31BluetoothBLEModule4-PinVersion_1.jpg?v=1775890382","url":"https:\/\/kitsguru.com\/products\/jdy-31-bluetooth-ble-module-4-pin-version","provider":"KitsGuru","version":"1.0","type":"link"}