Description
Product Description
The AT-09 Standard Version is a professional-grade Bluetooth Low Energy (BLE) 4.0 module designed for seamless serial wireless data transmission. Based on the robust CC2541 chipset, this module is the industry-standard “HM-10” style transceiver, favored for its ultra-low power consumption and broad compatibility with modern mobile ecosystems.
This specific version is designed without an external physical button, providing a sleeker, lower profile that is ideal for permanent installation within tight enclosures or custom-molded cases. It functions as a transparent serial bridge: once connected via BLE, data sent to the module’s RX pin is wirelessly transmitted to the paired device, and vice versa. It is the definitive choice for developers requiring a reliable, “always-ready” BLE connection for iOS and Android integration.
Key Features
- iOS & Android Native Support: Utilizes Bluetooth 4.0 BLE protocol, allowing for driverless connection to iPhones, iPads, and modern Android hardware.
- Streamlined Low-Profile Design: No external mechanical buttons, reducing the risk of accidental resets and making it easier to mount in slim housings.
- Advanced Power Management: Engineered for “Green” electronics, featuring deep-sleep modes that draw minimal current, significantly extending the life of battery-powered devices.
- Dual-Voltage Logic Compatibility: Integrated onboard level-shifting circuitry allows for direct connection to both 3.3V and 5V microcontrollers without additional components.
- Transparent Serial Bridge: Operates as a standard UART interface, making wireless upgrades to existing wired serial projects effortless.
- High-Gain PCB Antenna: Optimized trace antenna design ensures a stable connection and consistent throughput in indoor environments.
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