This is the DHT22 temperature sensor bundle that will provide temperature and humidity data to an Arduino which will be recorded by an iOS device via the BLExAR app. BLExAR allows users to visualize and save data in real-time.

Included in the BLExAR DHT22 Temperature Sensor Bundle:

• 1x Arduino Uno (w/USB Cable)

• 1x CC2541 Bluetooth Module

• 1x DHT22 Temperature Sensor

• 1x Mini breadboard (Colors may vary)

• 10x Jumper Wires

Features of the DHT22 Temperature Sensor:

• 3.3-6V Supply Voltage

• DHT22 Operating Ranges:

  • Relative Humidity: 0-100 %

  • Temperature -40 °C to 80 °C

• Sample Rate ~ 2 seconds

• Sensitivity:

  • Relative Humidity: ± 0.1 %

  • Temperature: ± 0.1 °C

• Accuracy (Drift and calibration errors):

  • Relative Humidity: ± 2-5 %

  • Temperature: ±0.5 °C

Specifications for Arduino Uno Rev3 Board:

• ATmega328P chip with Arduino Bootloader

• 14 digital pins, 6 analog pins

• 10-bit analog-to-digital converter (ADC)

• 5V-12V Supply Tolerance

• 3.3V and 5.0V output pins

• 16 MHz clock

• 5 PWM pins, I2C support, SPI support , UART support

• ATmega16U2 USB TTL, compatible with Linux, Windows, and Mac

• Black Stylish Finish

• Fully Integrated with Arduino IDE software

Features of the CC254x Bluetooth Module:

• Active-Mode RX Down to: 17.9 mA

• Active-Mode TX (0 dBm): 18.2 mA

• Power Down Sleep Mode: 60uA

• Wide Supply-Voltage Range (3.6 V - 5V)

• Serial Communication