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SWRU509–February 2017

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SimpleLink™ Wi-Fi

SensorTag

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User's Guide

SWRU509–February 2017

SimpleLink™ Wi-Fi

SensorTag

The SimpleLink™ Wi-Fi

SensorTag from Texas Instruments™ (model CC3200SensorTag) provides a

demo platform for showcasing the capabilities of the CC3200 device. With this easy-to-use platform,

environmental sensing and other Internet of Things (IoT) applications can be done with ease.

The CC3200 device is part of the SimpleLink microcontroller (MCU) platform which consists of Wi-Fi

Bluetooth

low energy, Sub-1 GHz and host MCUs. All share a common, easy-to-use development

environment with a single core software development kit (SDK) and rich tool set. A one-time integration of

the SimpleLink platform lets you add any combination of devices from the portfolio into your design. The

ultimate goal of the SimpleLink platform is to achieve 100 percent code reuse when your design

requirements change. For more information, visit www.ti.com/simplelink.

Contents

1 Introduction ................................................................................................................... 2

1.1 CC3200 SensorTag ................................................................................................ 2

1.2 Key Features ........................................................................................................ 3

1.3 What is Included .................................................................................................... 3

1.4 FCC/IC Regulatory Compliance .................................................................................. 3

2 Hardware Description ....................................................................................................... 5

2.1 Block Diagram....................................................................................................... 5

2.2 Hardware Features ................................................................................................ 6

2.3 RF Function and Frequency Range .............................................................................. 6

2.4 Sensors and Peripherals........................................................................................... 6

3 Operation Description ....................................................................................................... 8

3.1 Downloading the SensorTag App................................................................................. 8

3.2 Setting Up the SensorTag as an Access Point ................................................................. 8

3.3 Connecting the SensorTag to Your Local Wi-Fi Network.................................................... 10

3.4 Switching Between Modes ....................................................................................... 11

3.5 Troubleshooting ................................................................................................... 11

3.6 Replacing the Batteries........................................................................................... 12

4 Design Files ................................................................................................................ 13

4.1 Hardware ........................................................................................................... 13

5 PCB Revision ............................................................................................................... 13

6 References .................................................................................................................. 14

Summary of content (15 pages)

PAGE 1
User's Guide SWRU509 – February 2017 SimpleLink™ Wi-Fi® SensorTag The SimpleLink™ Wi-Fi® SensorTag from Texas Instruments™ (model CC3200SensorTag) provides a demo platform for showcasing the capabilities of the CC3200 device. With this easy-to-use platform, environmental sensing and other Internet of Things (IoT) applications can be done with ease. The CC3200 device is part of the SimpleLink microcontroller (MCU) platform which consists of Wi-Fi®, Bluetooth® low energy, Sub-1 GHz and host MCUs.
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Introduction www.ti.com 1 Introduction 1.1 CC3200 SensorTag The high-performance CC3200 device is the industry's first single-chip microcontroller (MCU) with built-in Wi-Fi connectivity for easy system application. Created for the Internet of Things (IoT), the SimpleLink™ Wi-Fi CC3200 device is a wireless MCU that integrates a high-performance ARM® Cortex®-M4 MCU that allows customers to develop an entire application with a single device.
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Introduction www.ti.com 1.2 Key Features The key features of the CC3200 SimpleLink Wi-Fi and IoT SensorTag are as follows: • CC3200, SimpleLink Wi-Fi, Internet-on-a chip solution with integrated MCU • Onboard inverted-F antenna with RF connector for conducted testing • Two buttons, two LEDs, reed relay, digital microphone, and a buzzer for user interaction • Sensors, gyroscope, accelerometer, and compass for easy integration in IoT application • Debug and JTAG interface for flash programing 1.
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Introduction 1.4.2 www.ti.com IC This device complies with Industry Canada's license-exempt RSSs. Operation is subject to the following two conditions: • This device may not cause interference, and • This device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
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Hardware Description www.ti.com 2 Hardware Description 2.1 Block Diagram Figure 2 shows a block diagram of the CC3200 SensorTag. Antenna Murata Connector Filter Crystals 40 Mhz 32.
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Hardware Description 2.2 www.ti.
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Hardware Description www.ti.com • 2.4.4 Rated frequency of 4000 Hz Gyroscope, Accelerometer, and Compass The MPU-9250 device is a multichip module consisting of a 3-axis gyroscope, a 3-axis accelerometer, and a 3-axis magnetometer for position tracking (see [4]). The MPU-9250 features three 16-bit ADCs each for the gyroscope, accelerometer, and magnetometer.
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Operation Description 3 www.ti.com Operation Description At start-up, the SensorTag enters access point mode for 2 minutes. When the SensorTag enters access point mode, the red LED blinks three times. NOTE: After 5 minutes, the SensorTag emits a short beep and enters hibernate mode. To wake the SensorTag from hibernate mode into access point mode, press the power button. TI recommends using the Watch DevPack (see [9]) with the Wi-Fi SensorTag.
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Operation Description www.ti.com If an upgrade has already taken place and a newer firmware version becomes available, users must first revert back to the factory default (firmware version 0.98). This can be done in one of 2 ways: • In the mobile application, select Firmware Upgrade → Factory Default. or • Depress the two SensorTag hardware buttons simultaneity for a few seconds until the beep sound is activated. Figure 4.
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Operation Description www.ti.com Figure 6. New Device Found 3.3 Connecting the SensorTag to Your Local Wi-Fi Network On the Sensor View screen, the SensorTag data is displayed (see Figure 7). The default update interval for the sensor view is 1 second. After 90 seconds of inactivity, the SensorTag emits a short beep and enters hibernate mode to save power. Press any button to wake up the SensorTag. Figure 7. SensorTag Sensor Data To view the sensor data directly in the Cloud, follow the Cloud URL.
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Operation Description www.ti.com To view the SensorTag on another PC or web browser, use the Share button and share by email (see Figure 8). Figure 8. Sharing SensorTag View 3.4 Switching Between Modes If you would like to repeat the provisioning method, press and hold the user button for 6 seconds to toggle between station mode (connected to your AP) and AP mode (direct connection to your phone). When in AP mode, the provisioning process can be repeated. 3.
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Operation Description www.ti.com The IP address can be used to configure the Wi-Fi setup for advanced settings through a web browser. Alternatively, the Wi-Fi SensorTag can be accessed by typing sensortag.net in the browser. Advanced Wi-Fi settings can be configured in the profiles tab. (see Figure 10). Figure 10. Sensortag.net Snippet Pressing both buttons simultaneously for 6 seconds resets the SensorTag and deletes all the Wi-Fi settings. The SensorTag can now be configured as a new device. 3.
PAGE 13
Design Files www.ti.com WARNING There is a risk of explosion if the batteries are replaced by an incorrect type. To minimize the risk of explosion, ensure the replacement batteries are the correct type. Dispose of used batteries according to the instructions. Waste Electrical and Electronic Equipment (WEEE) This symbol means that according to local laws and regulations your product and/or its battery shall be disposed of separately from household waste.
PAGE 14
References 6 www.ti.com References 1. MK24 Series Reed Sensor 2. Knowles SPH0641LU4H Digital Microphone 3. HCS0503B Buzzer 4. MPU-9250 Nine-Axis (Gyro + Accelerometer + Compass) MEMS MotionTracking™ Device 5. TMP007 Infrared Thermopile Sensor with Integrated Math Engine Data Sheet 6. BMP280 Barometric Pressure Sensor 7. HDC1000 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor Data Sheet 8. OPT3001 Ambient Light Sensor (ALS) Data Sheet 9. Watch DevPack 10.
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