The AT-09 is a module that contains a BLE chip (a CC2540/CC2541).
This module allows to perform serial communication with the BLE chip thanks to an Rx and a Tx pin.
The module is also very similar to the HM-10 module and is also compatible with it so if you have some experience with the latter, you will get started quickly with the AT-09.
This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with your iPhone/iPAD, IOS 6 or Android 4.3 above devices.
You can set it as slave or master and use AT command to set the baudrate.
- Ultra-low standby power consumption 90uA~400uA
- Range up to 60 meters
- Built in PCB antenna
- Power input : 3.6v to 6v DC (6v MAX)
- Size : 43mm x 15mm