The keyestudio Bluetooth 4.0 shield is an integration of sensor shield and HM-10 Bluetooth-4.0, fully compatible with UNO R3. So it is very easy to stack it onto the UNO R3 board.
Extends 6 analog pins into 3PIN
Comes with a reset button
Comes with a slide switch to control the Bluetooth communication
Comes with jumper interface to control the serial communication pin (default built-in serial port, can select the analog serial port, TX to D2, RX to D3.)
Comes with a Bluetooth 4.0 module
Bluetooth 4.0 Parameters
Bluetooth protocol: Bluetooth Specification V4.0 BLE
No byte limit in serial port Transceiving
Realize 100m ultra-distance communication with iphone4s in open field.
USB protocol: USB V2.0
Working frequency: 2.4GHz ISM band
Transmission power: -23dbm, -6dbm, 0dbm, 6dbm, can be modified by AT command.
Sensitivity: ≤-84dBm at 0.1% BER
Transmission rate: Asynchronous: 6K bytes ; Synchronous: 6k Bytes
Security feature: Authentication and encryption
Supporting service: Central & Peripheral UUID FFE0, FFE1
Power consumption: Auto sleep mode, stand by current 400uA~800uA, 8.5mA during the transmission.
Power supply: 5V DC
Working temperature: -5 to +65 Centigrade
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