{"product_id":"bt-06-bluetooth-uart-module-hc-06-compatible-ttl-serial-arduino","title":"BT-06 Bluetooth 2.1 UART Module — HC-06 Compatible, TTL Serial, 3.3V, Arduino","description":"\u003ch2\u003eBT-06 Bluetooth 2.1 UART Module — HC-06 Compatible, TTL Serial, Arduino\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBT-06\u003c\/strong\u003e is a Bluetooth 2.1 Classic serial module compatible with the popular HC-06 — providing wireless UART serial communication between Arduino and smartphones, PCs, or other Bluetooth devices. It appears as a virtual serial port on the connected device, making it a transparent wireless replacement for a USB cable. Configure baud rate, device name, and PIN via AT commands. Works with Android Bluetooth terminal apps and Windows Bluetooth serial port.\u003c\/p\u003e\n\n\u003ch3\u003eModule Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e BT-06 (HC-06 compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e 2.1 + EDR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMode:\u003c\/strong\u003e Slave only (waits for master device to connect)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e TTL UART (TX, RX, VCC, GND)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.3V (use voltage divider on RX if connecting to 5V Arduino TX)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDefault Baud Rate:\u003c\/strong\u003e 9600 baud (configurable via AT commands)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDefault PIN:\u003c\/strong\u003e 1234\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SMD module with 4-pin header\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Wiring\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVCC → 3.3V | GND → GND\u003c\/li\u003e\n  \u003cli\u003eBT-06 RX → Arduino TX (via 1kΩ\/2kΩ voltage divider if using 5V Arduino)\u003c\/li\u003e\n  \u003cli\u003eBT-06 TX → Arduino RX (direct — 3.3V is readable by 5V Arduino)\u003c\/li\u003e\n  \u003cli\u003eUse SoftwareSerial on Uno\/Nano to free hardware UART for USB debugging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBT-06 \/ HC-06 vs HC-05\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBT-06 \/ HC-06 (this module):\u003c\/strong\u003e Slave only — connects to phone\/PC master device\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHC-05:\u003c\/strong\u003e Master + slave — can initiate connections to other BT devices\u003c\/li\u003e\n  \u003cli\u003eChoose HC-06\/BT-06 for phone-to-Arduino communication; HC-05 for Arduino-to-Arduino\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino wireless control via Android app\u003c\/li\u003e\n  \u003cli\u003eBluetooth serial data logger\u003c\/li\u003e\n  \u003cli\u003eWireless sensor data to smartphone\u003c\/li\u003e\n  \u003cli\u003eRC robot Bluetooth control\u003c\/li\u003e\n  \u003cli\u003eWireless Arduino IDE serial monitor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBT-06 Bluetooth 2.1 UART module — HC-06 compatible, TTL serial, 3.3V for Arduino wireless smartphone control and serial data communication projects.\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991469904107,"sku":"\u003cnone\u003e","price":7.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/bt06-bluetooth-transceiver-rs232-ttl-arduino.webp?v=1761634391","url":"https:\/\/keszoox.com\/products\/bt-06-bluetooth-uart-module-hc-06-compatible-ttl-serial-arduino","provider":"Keszoox","version":"1.0","type":"link"}