{"id":9150671225069,"title":"HiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino","handle":"hiletgo-hc-05-wireless-bluetooth-rf-transceiver-master-slave-integrated-bluetooth-module-6-pin-wireless-serial-port-communication-bt-module-for-arduino","description":"\u003ch3\u003eHiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eModule parameters: 1.PCB Size: 37.3mm (Long) 15.5mm (wide) 2. Weight: 3.5g 3.\r\nInput voltage: 3.6V--6V, prohibit exceeding 7V 4. Leads 6 feet:\r\nEN\/VCC\/GND\/RXD\/TXD\/STATE (Bluetooth state leads, not connected output low\r\nlevel, the output high level after connection) 5. With the connection status\r\nindicator, LED flash indicates no Bluetooth connection; Led slow flash\r\nindicates enter at command mode 6. On-board 3.3V voltage regulator chip, input\r\nvoltage DC 3.6V-6V; When not paired, current about 30mA (due to LED lights\r\nflashing, current in the state of change); After the pairing succeeds, the\r\ncurrent is about 10mA 7. Effective transmission distance of 10 meters in open\r\narea, more than 10 meters is possible, but not to ensure the quality of the\r\nconnection 8. After pairing succeeds, can be used as full duplex serial port.\r\nNo need to understand any Bluetooth protocol, but only support 8-bit data\r\nbits, 1-bit stop bits, no parity communication format. This is also the most\r\ncommonly used communication format, does not support other formats! 9. Press\r\nthe key and then power up the Bluetooth module to enter at mode, set\r\nparameters and query information 10. Can switch host and machine mode from at\r\ncommand 11. The module default baud rate is 9600, the default pairing password\r\nis 1234, the default name is HC-05 Wiring method: VCC: Connect the power\r\nsupply positive GND: Connecting the cathode RXD: The receiver, the Bluetooth\r\nmodule receives data from other devices, and the sending end TXD of the other\r\ndevices normally TXD: Send end, Bluetooth module sends data to other\r\nequipment; the receiving end RXD of the other equipments normally En: To\r\nenable the end, need to enter the at mode when 3.3V Note: this item doesn't\r\nworks with iOS. Package included: 1 HC-05 6 Pin Wireless Bluetooth RF\r\nTransceiver Module Serial BT Module for Arduino\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eThe factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module\u003c\/li\u003e\r\n \u003cli\u003eHC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.\u003c\/li\u003e\r\n \u003cli\u003eMaster and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234\u003c\/li\u003e\r\n \u003cli\u003eButton: Press the button, the module enter the AT mode. AT commands are executed only in AT mode.\u003c\/li\u003e\r\n \u003cli\u003e6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2025-10-19T05:51:36+11:00","created_at":"2025-10-19T05:51:33+11:00","vendor":"HiLetgo","type":"Network Adapters","tags":["electronics_selected_Oct2025"],"price":9900,"price_min":9900,"price_max":9900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48895872729325,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B071YJG8DR","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"HiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino","public_title":null,"options":["Default Title"],"price":9900,"weight":23,"compare_at_price":null,"inventory_management":"shopify","barcode":"8541554474","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B071YJG8DR.jpg?v=1775792725","\/\/leoforward.com\/cdn\/shop\/files\/61fIAm4r6tL.jpg?v=1760813495","\/\/leoforward.com\/cdn\/shop\/files\/61pJzN8xqSL.jpg?v=1760813495","\/\/leoforward.com\/cdn\/shop\/files\/619t4C_NloL.jpg?v=1760813495","\/\/leoforward.com\/cdn\/shop\/files\/61kNkxWCl3L.jpg?v=1760813495","\/\/leoforward.com\/cdn\/shop\/files\/51_Du5sRIiL_22393214-2b8a-4cde-823b-123a09f6e464.jpg?v=1760813495"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B071YJG8DR.jpg?v=1775792725","options":["Title"],"media":[{"alt":null,"id":36933038506221,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1100,"width":1100,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B071YJG8DR.jpg?v=1775792725"},"aspect_ratio":1.0,"height":1100,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B071YJG8DR.jpg?v=1775792725","width":1100},{"alt":null,"id":36933038538989,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1100,"width":1100,"src":"\/\/leoforward.com\/cdn\/shop\/files\/61fIAm4r6tL.jpg?v=1760813495"},"aspect_ratio":1.0,"height":1100,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/61fIAm4r6tL.jpg?v=1760813495","width":1100},{"alt":null,"id":36933038571757,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1100,"width":1100,"src":"\/\/leoforward.com\/cdn\/shop\/files\/61pJzN8xqSL.jpg?v=1760813495"},"aspect_ratio":1.0,"height":1100,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/61pJzN8xqSL.jpg?v=1760813495","width":1100},{"alt":null,"id":36933038604525,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1100,"width":1100,"src":"\/\/leoforward.com\/cdn\/shop\/files\/619t4C_NloL.jpg?v=1760813495"},"aspect_ratio":1.0,"height":1100,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/619t4C_NloL.jpg?v=1760813495","width":1100},{"alt":null,"id":36933038637293,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1100,"width":1100,"src":"\/\/leoforward.com\/cdn\/shop\/files\/61kNkxWCl3L.jpg?v=1760813495"},"aspect_ratio":1.0,"height":1100,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/61kNkxWCl3L.jpg?v=1760813495","width":1100},{"alt":null,"id":36933038670061,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1100,"width":1100,"src":"\/\/leoforward.com\/cdn\/shop\/files\/51_Du5sRIiL_22393214-2b8a-4cde-823b-123a09f6e464.jpg?v=1760813495"},"aspect_ratio":1.0,"height":1100,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/51_Du5sRIiL_22393214-2b8a-4cde-823b-123a09f6e464.jpg?v=1760813495","width":1100}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eModule parameters: 1.PCB Size: 37.3mm (Long) 15.5mm (wide) 2. Weight: 3.5g 3.\r\nInput voltage: 3.6V--6V, prohibit exceeding 7V 4. Leads 6 feet:\r\nEN\/VCC\/GND\/RXD\/TXD\/STATE (Bluetooth state leads, not connected output low\r\nlevel, the output high level after connection) 5. With the connection status\r\nindicator, LED flash indicates no Bluetooth connection; Led slow flash\r\nindicates enter at command mode 6. On-board 3.3V voltage regulator chip, input\r\nvoltage DC 3.6V-6V; When not paired, current about 30mA (due to LED lights\r\nflashing, current in the state of change); After the pairing succeeds, the\r\ncurrent is about 10mA 7. Effective transmission distance of 10 meters in open\r\narea, more than 10 meters is possible, but not to ensure the quality of the\r\nconnection 8. After pairing succeeds, can be used as full duplex serial port.\r\nNo need to understand any Bluetooth protocol, but only support 8-bit data\r\nbits, 1-bit stop bits, no parity communication format. This is also the most\r\ncommonly used communication format, does not support other formats! 9. Press\r\nthe key and then power up the Bluetooth module to enter at mode, set\r\nparameters and query information 10. Can switch host and machine mode from at\r\ncommand 11. The module default baud rate is 9600, the default pairing password\r\nis 1234, the default name is HC-05 Wiring method: VCC: Connect the power\r\nsupply positive GND: Connecting the cathode RXD: The receiver, the Bluetooth\r\nmodule receives data from other devices, and the sending end TXD of the other\r\ndevices normally TXD: Send end, Bluetooth module sends data to other\r\nequipment; the receiving end RXD of the other equipments normally En: To\r\nenable the end, need to enter the at mode when 3.3V Note: this item doesn't\r\nworks with iOS. Package included: 1 HC-05 6 Pin Wireless Bluetooth RF\r\nTransceiver Module Serial BT Module for Arduino\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eThe factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module\u003c\/li\u003e\r\n \u003cli\u003eHC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.\u003c\/li\u003e\r\n \u003cli\u003eMaster and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234\u003c\/li\u003e\r\n \u003cli\u003eButton: Press the button, the module enter the AT mode. AT commands are executed only in AT mode.\u003c\/li\u003e\r\n \u003cli\u003e6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board\u003c\/li\u003e\r\n \u003c\/ul\u003e"}