###### tags: `RTL8720` `Wio` # Wio Terminal RTL8720DN Dev Board ## Wio Terminal Getting Started ![](https://files.seeedstudio.com/wiki/Wio-Terminal/img/Wio-Terminal-Wiki.jpg) The **Wio Terminal** is a SAMD51-based microcontroller with Wireless Connectivity supported by **Realtek RTL8720DN** that’s compatible with Arduino and MicroPython. It runs at **120MHz** (Boost up to 200MHz), **4MB** External Flash and **192KB** RAM. It supports both Bluetooth and Wi-Fi providing backbone for IoT projects. The Wio Terminal itself is equipped with **a 2.4” LCD Screen, onboard IMU(LIS3DHTR), Microphone, Buzzer, microSD card slot, Light sensor, and Infrared Emitter(IR 940nm).** On top of that, it also has two multifunctional Grove ports for [Grove Ecosystem](https://www.seeedstudio.com/grove.html) and 40 Raspberry pi compatible pin GPIO for more add-ons. ### Feature - **Highly Integrated Design** - MCU, LCD, WIFI, BT, IMU, Microphone, Speaker, microSD Card, Light Sensor, 5-Way Switch, Infrared Emitter (IR 940nm), Crypto-authentication Ready - Powered by **Microchip ATSAMD51P19** - ARM Cortex-M4F core running at **120MHz**(Boost up to 200MHz) - **4 MB** External Flash, **192 KB** RAM - Comprehensive Protocol Support - SPI, I2C, I2S, ADC, DAC, PWM, UART(Serial) - Powerful **Wireless Connectivity** - Powered by **Realtek RTL8720DN** - Dual Band 2.4Ghz / 5Ghz Wi-Fi (802.11 a/b/g/n) - BLE / BLE 5.0 - **USB OTG Support** - USB Host - USB Client - [**Grove Ecosystem**](https://www.seeedstudio.com/grove.html) - **Software Support** - Arduino - MicroPython - ArduPy - AT Firmware ### Specification <table style="border-collapse:collapse;border-spacing:0" class="tg"><tr><th style="font-family:Arial, sans-serif;font-size:14px;font-weight:bold;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;background-color:#c0c0c0;color:#ffffff;text-align:center;vertical-align:top" rowspan="7">Main Chip</th><th style="font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Manufacturer Part Number</th><th style="font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">ATSAMD51P19</th></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Core Processor</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">ARM® Cortex®-M4F</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">CPU Speed</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">120MHz(Boost up to 200MHz)</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Program Memory Size</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">512KB</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">External Flash</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">4MB</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">RAM Size</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">192KB</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Operating Temperature</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">-40°C ~ 85°C (TA)</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;font-weight:bold;background-color:#c0c0c0;color:#ffffff;text-align:center;vertical-align:top" rowspan="3">LCD Screen</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Resolution</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">320 x 240</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Display Size</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">2.4 inch</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Driver IC</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">ILI9341</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;font-weight:bold;background-color:#c0c0c0;color:#ffffff;text-align:center;vertical-align:top" rowspan="6">Wireless connectivity</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Manufacturer Part Number</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">RTL8720DN</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">KM4 CPU</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">ARM® Cortex®-M4F</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">KM0 CPU</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">ARM® Cortex®-M0</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Wi-Fi</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">802.11 a/b/g/n 1x1, 2.4GHz &amp; 5GHz</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Bluetooth</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Support BLE5.0</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Hardware Engine</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">AES/DES/SHA</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;font-weight:bold;background-color:#c0c0c0;color:#ffffff;text-align:center;vertical-align:top" rowspan="5">Built-in Modules</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Accelerometer</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">LIS3DHTR</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Microphone</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">1.0V-10V -42dB</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Speaker</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">≥78dB @10cm 4000Hz</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Light Sensor</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">400-1050nm</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Infrared Emitter</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">940nm</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;font-weight:bold;background-color:#c0c0c0;color:#ffffff;text-align:center;vertical-align:top" rowspan="5">Interface</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">microSD Card Slot</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Maximum 16GB</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">GPIO</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">40-PIN (Raspberry Pi Compatible)</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Grove</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">2 (Multifunction)</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">FPC</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">20-PIN</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">USB Type-C</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Power &amp; USB-OTG</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;font-weight:bold;background-color:#c0c0c0;color:#ffffff;text-align:center;vertical-align:top" rowspan="3">Operation interface</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">5-Way Switch</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">/</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Power/Reset Switch</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">/</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">User Defined Button * 3</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">/</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;font-weight:bold;background-color:#c0c0c0;color:#ffffff;text-align:center;vertical-align:top" rowspan="2">Enclosure</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">Dimension</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:inherit;text-align:left;vertical-align:top">72mm*57mm*12mm</td></tr><tr><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;text-align:left;vertical-align:top">Materials</td><td style="font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;text-align:left;vertical-align:top">ABS+PC</td></tr></table> ### Hardware Overview <div align="center"> <figure> <p style=":center"><a href="https://files.seeedstudio.com/wiki/Wio-Terminal/img/WioT-Hardware-Overview.png" target="_blank"><img src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/WioT-Hardware-OverviewNew.png" /></a></p> </figure> </div> ### Pinout Diagram <div align=center><img src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/WioT-Pinout.jpg"/></div> ![](https://files.seeedstudio.com/wiki/Wio-Terminal/img/WT-GROVE.jpeg) ### Hardware **Materials required** - Wio Terminal x 1 - Computer x 1 - USB Type-C Cable x 1 <div align=center><img width = 250 src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/Wio-Terminal-Powerup.png"/></div> Connect the Wio Terminal to your computer via USB cable. The blue LED on the back should light up. #### Software - **Step 1. You need to Install an Arduino Software.** [![](https://files.seeedstudio.com/wiki/Seeeduino_Stalker_V3_1/images/Download_IDE.png)](https://www.arduino.cc/en/Main/Software) **Launch the Arduino application** Double-click the Arduino IDE application you have previously downloaded. !!!Note If the Arduino Software loads in a different language, you can change it in the preferences dialog. See the [Arduino Software (IDE) page](https://www.arduino.cc/en/Guide/Environment#languages) for details. - **Step 2. Open the Blink example** Open the LED blink example sketch: **File > Examples >01.Basics > Blink**. <div align="center"> <figure> <img src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/select_blink.jpg"/> <figcaption><i>Blink Path</i></figcaption> </figure> </div> - **Step 3. Add the Wio Terminal Board Library** 1.Open your Arduino IDE, click on **File** > **Preferences**, and copy below url to **Additional Boards Manager URLs**: ```sh https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json ``` ![](https://files.seeedstudio.com/wiki/Wio-Terminal/img/Boardurl.png) 2.Click on **Tools** > **Board** > **Board Manager** and Search **Wio Terminal** in the Boards Manager. <div align="center"> <figure> <img src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/addBoard.png"/> <figcaption><i>The keyword is Wio Terminal</i></figcaption> </figure> </div> - **Step 4. Select your board and port** You'll need to select the entry in the **Tools > Board** menu that corresponds to your Arduino. Selecting the **Wio Terminal**. <div align="center"> <figure> <img src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/selectBoard.png"/> <figcaption> <i>Choose the right board</i></figcaption> </figure> </div> Select the serial device of the Wio Terminal board from the **Tools -> Port** menu. This is likely to be COM3 or higher (**COM1** and **COM2** are usually reserved for hardware serial ports). To find out, you can disconnect your Wio Terminal board and re-open the menu; the entry that disappears should be the Arduino board. Reconnect the board and select that serial port. !!!note For Mac User, it will be something like `/dev/cu.usbmodem141401` <div align="center"> <figure> <img src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/port.png"/> <figcaption><i>Choose the right port</i></figcaption> </figure> </div> - **Step 5. Upload the program** Now, simply click the **Upload** button in the environment. Wait a few seconds and if the upload is successful, the message "Done uploading." will appear in the status bar. <div align="center"> <figure> <img src="https://files.seeedstudio.com/wiki/Wio-Terminal/img/upload.png"/> <figcaption><i>Upload the code</i></figcaption> </figure> </div> A few seconds after the upload finishes, you should see the LED at the bottom of the Wio Terminal start to blink. If it does, congratulations! You've gotten Wio Terminal up-and-running. If you have problems, please see the FAQ suggestions. If you are not able to upload the sketch, mostly it's because Arduino IDE was not able to put Wio Terminal to **bootloader mode**. (Because MCU was halted or your program handling USB,) Workaround is putting your Wio Terminal to bootloader mode manually, as shown in FAQ. Please feel free to go though other tutorials of Wio Terminal and start building your IoT projects! Here is the link for [**<font color=red>Wio Terminal Wifi Tutorial</font>**](https://hackmd.io/@amebaiot/BkD_V_MKD). Here is the link for [**<font color=red>Wio Terminal Bluetooth Tutorial</font>**](https://hackmd.io/@amebaiot/H1uRHufYv).
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Wio Terminal RTL8720DN Bluetooth Getting Started This wiki introduce how to update the Bluetooth firmware for the Wireless Core Realtek RTL8720 on Wio Terminal, as well as installing all the dependent libraries for Wio Terminal to enable BLE functionality. !!!Note Please note for the current framework, the BLE firmware and Wi-Fi firmware are different (BLE: eRPC and Wi-Fi: AT Commands) and therefore they cannot be used together for a period of time. The Wi-Fi will be able to use with BLE very shortly after the BLE release. Update the Wireless Core Firmware(BLE) In order to use the Bluetooth functionality, you must update the Bluetooth firmware to the Wireless Core to Wio Terminal. Tools and Set-ups

11/6/2020
Wio Terminal Wifi Tutorial

Wio Terminal RTL8720DN WiFi Getting Started Overview This wiki introduce how to update the latest firmware for the Wireless Core Realtek RTL8720 on Wio Terminal, as well as installing all the dependent libraries for Wio Terminal to enable wireless connectivity. !!!Note We are moving the Wi-Fi Software to the new eRPC Structure which is more stable and can work with the Bluetooth at the same time! Please follow through to update to eRPC Wi-Fi firmware and related libraries! Update the Wireless Core Firmware First, we need to update the firmware for the Realtek RTL8720 Wireless core on Wio Terminal. This is essential and must update to the latest firmware before proceeding to examples.

11/6/2020
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