Seeed BLE Shield



Arduino/Seeeduino compatible
UART serial port of HM-11 on the Shield can be connected to Arduino by jumpers
With two Grove connectors, making it easy to connect I2C and digital IO Grove modules to Arduino
AT commands support
Specifications Value
BT Version Bluetooth Specification V4.0 BLE
Working Frequency 2.4GHz ISM band
Working Current < 15 mA
Sourcing Current < 30 mA
Sleeping Current < 3 mA
Modulation Method GFSK(Gaussian Frequency Shift Keying)
RF Power -23dbm, -6dbm, 0dbm, 6dbm, can modify through AT Command AT+POWE
Speed Asynchronous: 6K Bytes, Synchronous: 6K Bytes
Sensibility ≤-84dBm at 0.1% BER
Security Authentication and encryption
Service Central & Peripheral UUID FFE0,FFE1
Supply Power 5v
Working Temperature –5 ~ +65 Centigrade
Size 68mm x 43mm