Wireless Module AT-09 Bluetooth 4.0 CC2541 IOS BLE description
– Bluetooth 4.0 AT-09 BLE Master / Slave module with 6-pin connection base
– This module is very similar to HM-10 module
– Bluetooth protocol: Bluetooth V4.0 BLE specification
– Ultra-low power consumption, in 90uA standby mode
– This module is very similar to HM-10 module
– Bluetooth protocol: Bluetooth V4.0 BLE specification
– Ultra-low power consumption, in 90uA standby mode
Wireless Module AT-09 Bluetooth 4.0 CC2541 IOS BLE features:
– Chipset based on CC2541
– Bluetooth Class 2
– Industrial level Bluetooth module SPP
– Flash 256Kb
– Integrated chip antenna
– Power supply: + 3.3 VDC 50 mA
– Working temperature: -5 C to + 60 C
– Operating frequency: 2.4 GHz ISM Band
– Modulation method: GFSK (Gaussian Frequency Shift keying)
– 40 channels, 2MHz, 3 fixed transmission channels, 37 automatic frequency adaptation skipping data channels;
– Power adjustment output (-23dBm ~ 6dBm); command AT +
– Transfer rate: asynchronous: 6 kbps synchronous: 6kbps
– Security features: authentication and encryption
– Power consumption: automatic sleep mode, standby current 90uA, 8.5 mA transfer
– PCB size: 37x16mm
– Default baud rate is 9600
– Default PIN is 000000
– AT commands require end of line ( r n)
– Firmware is reported as Firmware V3.0.6, Bluetooth V4.0 LE
– Firmware is from Bolutek
– AT + HELP – list of commands available
– Modules report themselves as BT05
– Status pin is normally LOW and HIGH when device is connected
– Pin EN does not seem to do anything div >
– Bluetooth Class 2
– Industrial level Bluetooth module SPP
– Flash 256Kb
– Integrated chip antenna
– Power supply: + 3.3 VDC 50 mA
– Working temperature: -5 C to + 60 C
– Operating frequency: 2.4 GHz ISM Band
– Modulation method: GFSK (Gaussian Frequency Shift keying)
– 40 channels, 2MHz, 3 fixed transmission channels, 37 automatic frequency adaptation skipping data channels;
– Power adjustment output (-23dBm ~ 6dBm); command AT +
– Transfer rate: asynchronous: 6 kbps synchronous: 6kbps
– Security features: authentication and encryption
– Power consumption: automatic sleep mode, standby current 90uA, 8.5 mA transfer
– PCB size: 37x16mm
– Default baud rate is 9600
– Default PIN is 000000
– AT commands require end of line ( r n)
– Firmware is reported as Firmware V3.0.6, Bluetooth V4.0 LE
– Firmware is from Bolutek
– AT + HELP – list of commands available
– Modules report themselves as BT05
– Status pin is normally LOW and HIGH when device is connected
– Pin EN does not seem to do anything div >
Useful links for Arduino / Raspberry programming and projects with Arduino / Raspberry boards:
User manual for the BLE wireless module AT-09 Bluetooth 4.0 CC2541
– Wiring the AT-09 Bluetooth 4.0 CC2541 IOS BLE wireless module with the UNO module
Application with a DHT22 temperature / humidity sensor
– Wiring the Arduino HC-06 wireless module with a DHT22 / AM2302 temperature sensor div
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