BLE Micro - Super Compact BLE Module

BLE Micro is a compact Bluetooth Low Energy (BLE 4.0) communication module designed for seamless wireless connectivity in embedded products and custom electronics. Built around the TI CC2540 chip, this miniature wireless communication board measures only 23×15mm, making integration into compact hardware designs straightforward. The low‑power BLE module simplifies wireless development by removing challenges such as antenna design and complex Bluetooth stack implementation. With support for mobile device connectivity, transparent serial transmission, and remote programming capabilities, the module provides an efficient solution for adding Bluetooth functionality to prototypes, commercial devices, and embedded IoT systems.

Note: The new version BLEMicro V1.1 has passed CE, FCC, and RoHS certification. Dimensions and pinout have changed compared with earlier revisions. Refer to the WiKi documentation for detailed hardware information.

Ultra‑Compact BLE Integration for Embedded Hardware

This miniature Bluetooth communication module measures only 23×15mm, enabling direct placement onto custom PCBs for highly integrated designs. The small footprint reduces design complexity for wearable electronics, compact IoT nodes, and space‑constrained consumer devices. Built‑in radio circuitry eliminates the need for complex antenna layout or external Bluetooth adapters, allowing hardware designers to quickly add BLE connectivity without specialized RF engineering.

Flexible Wireless Communication and Mobile Connectivity

The BLE communication unit supports stable 2.4GHz wireless data exchange with a maximum GFSK transmission rate of 1Mbps and communication ranges approaching 60 meters in open environments. Compatibility with Android and iOS devices enables direct interaction with smartphones and tablets. Such capabilities make the Bluetooth module suitable for wearable electronics, smart garments, proximity devices, and mobile‑connected control systems.

Developer‑Friendly Features for Rapid Prototyping

This BLE development module supports transparent serial data transmission, AT command configuration, and firmware upgrades through USB. Firmware version 1.8 introduces serial switching between AT command mode and transparent transmission mode for flexible integration into embedded workflows. Additional capabilities include Bluetooth HID functionality, remote program uploading for Arduino development environments, and support for iBeacon applications, making the platform highly adaptable for both experimentation and commercial prototyping.

Suitable for wearable electronics, smart device connectivity, wireless prototyping, and Bluetooth‑enabled embedded systems, this low‑power BLE module provides a compact foundation for mobile interaction, beacon broadcasting, and remote device communication in modern IoT and interactive hardware projects.