![10Pcs HC06 HC-06 Wireless Serial 4 Pin Bluetooth RF Transceiver Module RS232 TTL for Arduino Bluetooth Module - Walmart.com 10Pcs HC06 HC-06 Wireless Serial 4 Pin Bluetooth RF Transceiver Module RS232 TTL for Arduino Bluetooth Module - Walmart.com](https://i5.walmartimages.com/asr/6a00d329-6072-4a06-91fb-53859560a717.b71fc48ff91fd2f9781dd910513d288b.jpeg)
10Pcs HC06 HC-06 Wireless Serial 4 Pin Bluetooth RF Transceiver Module RS232 TTL for Arduino Bluetooth Module - Walmart.com
![Android Bluetooth Module Wireless Hc-05/Hc-06 Ssp 4 Pins/6 Pins - China Bluetooth Module, Hc-05 | Made-in-China.com Android Bluetooth Module Wireless Hc-05/Hc-06 Ssp 4 Pins/6 Pins - China Bluetooth Module, Hc-05 | Made-in-China.com](https://image.made-in-china.com/202f0j00mVTzAZdaEjgG/Android-Bluetooth-Module-Wireless-Hc-05-Hc-06-Ssp-4-Pins-6-Pins.jpg)
Android Bluetooth Module Wireless Hc-05/Hc-06 Ssp 4 Pins/6 Pins - China Bluetooth Module, Hc-05 | Made-in-China.com
![Amazon.com: HiLetgo HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino : Electronics Amazon.com: HiLetgo HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino : Electronics](https://m.media-amazon.com/images/I/61US5GN8mUL._AC_SL1010_.jpg)
Amazon.com: HiLetgo HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino : Electronics
![HC-05 zs-040. Some commands only work when pin 34 is HIGH - Networking, Protocols, and Devices - Arduino Forum HC-05 zs-040. Some commands only work when pin 34 is HIGH - Networking, Protocols, and Devices - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/9/d/d/9dd1da1c15613edd1847778772f78f4290250ce1.jpeg)