HM-10 BLE Bluetooth 4.0 CC2541 Wireless Module – Original

The HM-10 BLE Bluetooth 4.0 Wireless Module is a versatile Bluetooth module that can be configured as either a master or a slave device. It uses the Texas Instruments CC2540 or CC2541 Bluetooth low energy (BLE) System on Chip (SoC) and is designed for establishing wireless data communication. Here are the key features and specifications:

  Features:  

• Easy to use and fully encapsulated.
• Can be set as a slave or master device.
• AT command-set for configuration.
• Coverage up to 60 meters.
• Built-in PCB antenna.
• UART design for serial communication.
• Supports bridge direct-driven mode simultaneously, eliminating the need for an extra CPU.
• Quick to connect with a 20ms connection interval (default).
• Supports AT instructions to modify the baud rate, obtain the MAC address, and modify the module name.
• Supports AT instructions to adjust the Bluetooth connection interval, control the forwarding rate, and more.
• Supports APP and IO expansion.
• 2-channel ADC input (14-bit).
• 4-channel PWM (120Hz) output.
• RSSI successive acquisition for anti-lost alarm.
• Power indicator/alert.
• Supports anti-hijack password setup, modification, and restoration.
• Ultra-low power consumption standby mode.

  Specifications:  

• Input Supply voltage: 5V
• USB Protocol: USB V2.0
• Operating Frequency: 2.4GHz ISM band
• Modulation Mode: GFSK
• Transmitting Power: 4dBm
• Coverage Range: 60 meters
• Sensitivity: -84dBm at 0.1% BER
• Dimensions: 47mm x 17mm x 8mm
• Weight: 4g

  Pin Description:  

• STATE: State test pin, connected to an internal LED (keep unconnected).
• BRK: Break connect for breaking the Bluetooth connection (keep unconnected).
• VCC: Positive pole of the power source.
• GND: Ground.
• TXD: Serial interface, transmitting terminal.
• RXD: Serial interface, receiving terminal.

  Package Includes:  

• 1 x HM-10 BLE Bluetooth 4.0 Wireless Module (Original)