![Hc-02 Bluetooth Serial Port Wireless Digital Transmission Module Board 2.4g Uart 3.3v Ttl Level Pcb Antenna Replace Hc-05 Hc-06 - Integrated Circuits - AliExpress Hc-02 Bluetooth Serial Port Wireless Digital Transmission Module Board 2.4g Uart 3.3v Ttl Level Pcb Antenna Replace Hc-05 Hc-06 - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/H14bd23c2b519472296891b7c3f4bc90ao/HC-02-Bluetooth-Serial-Port-Wireless-Digital-Transmission-Module-Board-2-4G-UART-3-3V-TTL.jpg_Q90.jpg_.webp)
Hc-02 Bluetooth Serial Port Wireless Digital Transmission Module Board 2.4g Uart 3.3v Ttl Level Pcb Antenna Replace Hc-05 Hc-06 - Integrated Circuits - AliExpress
![DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano - Newegg.com DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano - Newegg.com](https://c1.neweggimages.com/ProductImage/AMTFD22031408FA7K9D.jpg)
DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano - Newegg.com
![Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE) : ID 2479 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE) : ID 2479 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2479-00.jpg)
Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE) : ID 2479 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
![Hc-05 Hc05 Bluetooth Transceiver Module 2.4g Rf Wireless Industrial Bluetooth Module Rs232 / Ttl To Uart Converter 6pin - Integrated Circuits - AliExpress Hc-05 Hc05 Bluetooth Transceiver Module 2.4g Rf Wireless Industrial Bluetooth Module Rs232 / Ttl To Uart Converter 6pin - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/Hd601c1892f674636b74d596d738fe1b6i/HC-05-HC05-Bluetooth-Transceiver-Module-2-4G-RF-Wireless-Industrial-Bluetooth-module-RS232-TTL-to.jpg_Q90.jpg_.webp)
Hc-05 Hc05 Bluetooth Transceiver Module 2.4g Rf Wireless Industrial Bluetooth Module Rs232 / Ttl To Uart Converter 6pin - Integrated Circuits - AliExpress
![Amazon.com: Bluetooth Module UART RS232 Serial Converter HC-05 Wireless Transceiver Module Wireless Serial Port Communication BT Module : Electronics Amazon.com: Bluetooth Module UART RS232 Serial Converter HC-05 Wireless Transceiver Module Wireless Serial Port Communication BT Module : Electronics](https://m.media-amazon.com/images/I/51Cw7ZzZazL._AC_.jpg)
Amazon.com: Bluetooth Module UART RS232 Serial Converter HC-05 Wireless Transceiver Module Wireless Serial Port Communication BT Module : Electronics
![Openhapp HM-10 Bluetooth BLE 4.0 Serial UART module with iBeacon (Master/Slave Configurable) - CuteDigi Openhapp HM-10 Bluetooth BLE 4.0 Serial UART module with iBeacon (Master/Slave Configurable) - CuteDigi](https://cdn10.bigcommerce.com/s-rs1s2e/products/1221/images/2165/BLE4_L_1__70556.1435463371.1280.1280.jpg?c=2)
Openhapp HM-10 Bluetooth BLE 4.0 Serial UART module with iBeacon (Master/Slave Configurable) - CuteDigi
![Openhapp HM-11 Bluetooth BLE 4.0 Serial UART module with iBeacon (Master/Slave Configurable) - CuteDigi Openhapp HM-11 Bluetooth BLE 4.0 Serial UART module with iBeacon (Master/Slave Configurable) - CuteDigi](https://cdn10.bigcommerce.com/s-rs1s2e/products/1222/images/2169/HM_11_BLE_Module_02__86443.1435507860.1280.1280.jpg?c=2)
Openhapp HM-11 Bluetooth BLE 4.0 Serial UART module with iBeacon (Master/Slave Configurable) - CuteDigi
![Amazon.com: Songhe HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 6PIN Base Board for Arduino (2PCS) : Electronics Amazon.com: Songhe HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 6PIN Base Board for Arduino (2PCS) : Electronics](https://m.media-amazon.com/images/I/81T3K2NOJ6L._AC_SY355_.jpg)