{"title":"Bluetooth Low Energy Module HM11- CC2541","handle":"bluetooth-low-energy-module-hm11-cc2541","url":"/products/bluetooth-low-energy-module-hm11-cc2541","description":"The HM-11 is a Bluetooth Low Energy (BLE 4.0) module based on the TI CC2541 microprocessor. It provides wireless communication with smartphones, tablets, desktop computers, and other embedded systems via a simple UART serial interface with AT command control. The XBee-compatible form factor makes it easy to integrate into existing designs.\n\nConfigurable as master or slave, with adjustable baud rate, device name, pairing password, and transmit power levels. Effective range is up to 30 metres in open environments.\n\nKey Features\n\n\nBluetooth 4.0 BLE – Low-power wireless communication\n\nCC2541 Processor – TI's proven BLE SoC\n\nXBee Form Factor – Drop-in compatible with XBee sockets\n\nUART Interface – Simple serial (TTL) communication\n\nAT Command Set – Configure role, baud rate, name, password, and TX power\n\nAdjustable TX Power – −23 dBm to +6 dBm\n\n30 m Range – In open environments\n\n\nSpecifications\n\n\nBluetooth Version: 4.0 BLE\n\nProcessor: TI CC2541\n\nFrequency: 2.4 GHz ISM band\n\nModulation: GFSK\n\nInterface: UART (TTL)\n\nSupply Voltage: 3.3 V DC\n\nCurrent Draw: 50 mA\n\nOperating Temperature: −5 °C to +65 °C\n\nPCB Size: 24.5 × 30.5 × 0.8 mm\n\nCertifications: FCC, CE, RoHS\n\n\nIdeal For\n\nBLE communication with iOS and Android apps\nWireless sensor and data logging projects\nIoT prototyping with XBee-compatible sockets\nRemote control and monitoring applications\n\n\nPackage Contents\n\n1× HM-11 Bluetooth Low Energy Module\n\n\nResources\n\nHM-11 Datasheet (PDF)\nCC2541 Datasheet (TI)\nAT Command Reference\nArduino Demo Code\n","vendor":"Elecrow","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":3670,"title":"Default Title","sku":"EC-CBLE2540HM","price":17.07,"on_sale":false,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}