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Main image of 2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10

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2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10

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Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, use flexible.; It adopts CC2541 chip of American TI Company, configures 256Kb space, and follows V4.0 BLE Bluetooth specification.; Input voltage: 3.3V/5V only needs a set of power supply.; This module supports UART interface and supports SPP Bluetooth serial port protocol.; Compatible HM-10

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Product Introduction: 1.
Input voltage: 3.3V /5V only needs a set of power supply. 2.
Built in level conversion function: 3. If you use MCU 5.0V and Bluetooth module communication, 5.0V power supply port, TX RX logic level 5V; 4. If you use MCU 3.3V and Bluetooth module communication, 3.3V power supply port, TX RX logic level 3.3V 5. RX, Bluetooth module serial receiver and TXD MCU connection. 6. TX, Bluetooth module serial port and RXD MCU connection. 5. GND, ground terminal 6. 3.3V, power supply side 3.3V power supply 7. 5V, power supply side 5V power supply
Package Include: 2 * CC2540 CC2541 AT-09 Bluetooth Module

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First Listed on Newegg	August 10, 2026

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Item#: 9SIC745M482715