HC-05 Bluetooth Module with TTL Output The HC-05 Bluetooth Module is one of the most popular and reliable wireless serial communication modules used in embedded and automation projects. It enables two-way (full-duplex) communication between microcontrollers or between a microcontroller and Bluetooth-enabled devices like smartphones, tablets, or laptops. This HC-05 Bluetooth module for Arduino supports the standard USART protocol at a 9600 baud rate, ensuring seamless and quick data transmission. With a wide operating voltage range of 4V to 6V, it is compatible with a variety of microcontrollers, including Arduino, Raspberry Pi, PIC, and AVR. Equipped with a built-in antenna and capable of both Master and Slave modes, the HC-05 is ideal for IoT, robotics, and industrial automation applications. The module adheres to IEEE 802.15.1 standards, offering secure and efficient communication with a range of up to 100 meters. Technical Specifications of HC-05 Bluetooth Module with TTL Output Operating Voltage: 4V – 6V Operating Current: 30mA Range: Up to 100m Communication Interface: UART with programmable baud rate Sensitivity: Typical -80dBm Transmit Power: Up to 4dBm RF Low Power Operation: 1.8V – 3.6V I/O Protocol: IEEE 802.15.1 (Bluetooth 2.0 EDR) Key Features of HC-05 Bluetooth Module with TTL Output Serial Bluetooth module compatible with Arduino and microcontrollers Supports USART serial communication and TTL compatibility Operates in Master, Slave, or Master/Slave mode Built-in integrated antenna for stable communication Supports Frequency-Hopping Spread Spectrum (FHSS) technology Can be paired with laptops, mobile phones, or other Bluetooth devices Compact and easy to integrate into embedded projects Applications of HC-05 Bluetooth Module with TTL Output Embedded system projects Arduino and Raspberry Pi IoT applications Industrial automation and control systems GPS and wireless data logging devices Robotics communication systems Wireless sensor networks Categories: Bluetooth, Module
