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| <section id="esp32-s2-kaluga-1-kit-v1-3"> |
| <h1>ESP32-S2-Kaluga-1 Kit v1.3<a class="headerlink" href="#esp32-s2-kaluga-1-kit-v1-3" title="Permalink to this heading"></a></h1> |
| <p>The <a class="reference external" href="https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-esp32-s2-kaluga-1-kit.html">ESP32-S2-Kaluga-1 kit v1.3</a> |
| is a development kit by Espressif that is mainly created to:</p> |
| <ul class="simple"> |
| <li><p>Demonstrate the ESP32-S2’s human-computer interaction functionalities</p></li> |
| <li><p>Provide the users with the tools for development of human-computer interaction applications based on the ESP32-S2</p></li> |
| </ul> |
| <p>There are many ways of how the ESP32-S2’s abundant functionalities can be used. For starters, the possible use cases may include:</p> |
| <ul class="simple"> |
| <li><p><strong>Smart home</strong>: From simplest smart lighting, smart door locks, smart sockets, to video streaming devices, security cameras, OTT devices, and home appliances</p></li> |
| <li><p><strong>Battery-powered equipment</strong>: Wi-Fi mesh sensor networks, Wi-Fi-networked toys, wearable devices, health management equipment</p></li> |
| <li><p><strong>Industrial automation equipment</strong>: Wireless control and robot technology, intelligent lighting, HVAC control equipment, etc.</p></li> |
| <li><p><strong>Retail and catering industry</strong>: POS machines and service robots</p></li> |
| </ul> |
| <figure class="align-center" id="id2"> |
| <a class="reference internal image-reference" href="../../../../../_images/esp32-s2-kaluga-1-kit-v1.0-3d.png"><img alt="ESP32-S2-Kaluga-1-Kit-Assembly" src="../../../../../_images/esp32-s2-kaluga-1-kit-v1.0-3d.png" style="width: 690.4000000000001px; height: 318.0px;" /></a> |
| <figcaption> |
| <p><span class="caption-text">ESP32-S2-Kaluga-1-Kit Overview (click to enlarge)</span><a class="headerlink" href="#id2" title="Permalink to this image"></a></p> |
| </figcaption> |
| </figure> |
| <p>The ESP32-S2-Kaluga-1 kit consists of the following boards:</p> |
| <ul class="simple"> |
| <li><p>Main board: <em>ESP32-S2-Kaluga-1</em></p></li> |
| <li><p>Extension boards:</p> |
| <ul> |
| <li><p><a class="reference external" href="https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-esp-lyrat-8311a_v1.3.html">ESP-LyraT-8311A</a> - Audio player</p></li> |
| <li><p><a class="reference external" href="https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-esp-lyrap-toucha-v1.1.html">ESP-LyraP-TouchA</a> - Touch buttons</p></li> |
| <li><p><a class="reference external" href="https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-esp-lyrap-lcd32-v1.2.html">ESP-LyraP-LCD32</a> - 3.2” LCD screen</p></li> |
| <li><p><a class="reference external" href="https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-esp-lyrap-cam-v1.1.html">ESP-LyraP-CAM</a> - Camera module</p></li> |
| </ul> |
| </li> |
| </ul> |
| <p>A block diagram below shows the components of the ESP32-S2-Kaluga-1 and their interconnections.</p> |
| <figure class="align-center" id="id3"> |
| <img alt="ESP32-S2-Kaluga-1 block diagram" src="../../../../../_images/esp32-s2-kaluga-1-v1.2-block-diagram.png" /> |
| <figcaption> |
| <p><span class="caption-text">ESP32-S2-Kaluga-1 block diagram</span><a class="headerlink" href="#id3" title="Permalink to this image"></a></p> |
| </figcaption> |
| </figure> |
| <section id="features"> |
| <h2>Features<a class="headerlink" href="#features" title="Permalink to this heading"></a></h2> |
| <p>The ESP32-S2-Kaluga-1 main board is the heart of the kit. It integrates the |
| ESP32-S2-WROVER module and all the connectors for extension boards. This board |
| is the key tool in prototyping human-computer interaction interfaces.</p> |
| <p>The ESP32-S2-Kaluga-1 board has connectors for boards with:</p> |
| <ul class="simple"> |
| <li><p>Extension header (ESP-LyraT-8311A, ESP-LyraP-LCD32)</p></li> |
| <li><p>Camera header (ESP-LyraP-CAM)</p></li> |
| <li><p>Touch FPC coneector (ESP-LyraP-TouchA)</p></li> |
| <li><p>LCD FPC connector (no official extension boards yet)</p></li> |
| <li><p>I2C FPC connector (no official extension boards yet)</p></li> |
| </ul> |
| <figure class="align-center" id="id4"> |
| <a class="reference internal image-reference" href="../../../../../_images/esp32s2-kaluga-1-v1.3-3d.png"><img alt="ESP32-S2-Kaluga-1" src="../../../../../_images/esp32s2-kaluga-1-v1.3-3d.png" style="width: 772.25px; height: 583.75px;" /></a> |
| <figcaption> |
| <p><span class="caption-text">ESP32-S2-Kaluga-1 (click to enlarge)</span><a class="headerlink" href="#id4" title="Permalink to this image"></a></p> |
| </figcaption> |
| </figure> |
| <p>All the four extension boards are specially desgined to support the following |
| features:</p> |
| <ul class="simple"> |
| <li><dl class="simple"> |
| <dt>Touch panel control</dt><dd><ul> |
| <li><p>Six touch buttons</p></li> |
| <li><p>Supports acrylic panels up to 5 mm</p></li> |
| <li><p>Wet hand operation</p></li> |
| <li><p>Water rejection, ESP32-S2 can be configured to disable all touchpads |
| automatically if multiple pads are simultaneously covered with water |
| and to re-enable touchpads if the water is removed</p></li> |
| </ul> |
| </dd> |
| </dl> |
| </li> |
| <li><dl class="simple"> |
| <dt>Audio playback</dt><dd><ul> |
| <li><p>Connect speakers to play audio</p></li> |
| <li><p>Use together with the Touch panel to control audio playback and adjust volume</p></li> |
| </ul> |
| </dd> |
| </dl> |
| </li> |
| <li><dl class="simple"> |
| <dt>LCD display</dt><dd><ul> |
| <li><p>LCD interface (8-bit parallel RGB, 8080, and 6800 interface)</p></li> |
| </ul> |
| </dd> |
| </dl> |
| </li> |
| <li><dl class="simple"> |
| <dt>Camera image acquisition</dt><dd><ul> |
| <li><p>Supports OV2640 and OV3660 camera modules</p></li> |
| <li><p>8-bit DVP image sensor interface (ESP32-S2 also supports 16-bit DVP image sensors, you can design it yourself)</p></li> |
| <li><p>Clock frequency up to 40 MHz</p></li> |
| <li><p>Optimized DMA transmission bandwidth for easier transmission of high-resolution images</p></li> |
| </ul> |
| </dd> |
| </dl> |
| </li> |
| </ul> |
| <section id="compatibility-of-extension-boards"> |
| <h3>Compatibility of Extension Boards<a class="headerlink" href="#compatibility-of-extension-boards" title="Permalink to this heading"></a></h3> |
| <p>If you want to use more than one extension board at the same time, please check the table given below.</p> |
| <table class="docutils align-default"> |
| <colgroup> |
| <col style="width: 20%" /> |
| <col style="width: 15%" /> |
| <col style="width: 33%" /> |
| <col style="width: 32%" /> |
| </colgroup> |
| <thead> |
| <tr class="row-odd"><th class="head"><p>Boards Used</p></th> |
| <th class="head"><p>HW Conflict</p></th> |
| <th class="head"><p>Limitations</p></th> |
| <th class="head"><p>Solution</p></th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="row-even"><td><p>8311A v1.3 + CAM v1.1</p></td> |
| <td><p>I2S Controller</p></td> |
| <td><p>ESP32-S2 has only one I2S interface. But both extension boards require connection via the ESP32-S2’s I2S interface (LyraT-8311A in Standard mode, ESP-LyraP-CAM in Camera mode).</p></td> |
| <td><p>Utilize time division multiple access, or use a different audio module that can be connected via other GPIOs or DAC.</p></td> |
| </tr> |
| <tr class="row-odd"><td><p>TouchA v1.1 + LCD32 v1.2</p></td> |
| <td><p>IO11, IO6</p></td> |
| <td><p>Touch actions cannot be triggered because of the multiplexed pin IO11. ESP-LyraP-LCD32 will not be affected because its BLCT pin will be disconnected from IO6.</p></td> |
| <td><p>Do not initialize IO11 (NETWORK) for your ESP-LyraP-TouchA, or configure the BLCT pin to <cite>-1</cite> (= do not use BLCT) for your ESP-LyraP-LCD32.</p></td> |
| </tr> |
| <tr class="row-even"><td><p>8311A v1.3 + LCD32 v1.2</p></td> |
| <td><p>IO6</p></td> |
| <td><p>BLCT pin of ESP32-S2-Kaluga-1 will be disconnected from IO6.</p></td> |
| <td><p>Configure the BK pin to <cite>-1</cite> (= do not use BLCT) for your ESP-LyraP-LCD32.</p></td> |
| </tr> |
| <tr class="row-odd"><td><p>TouchA v1.1 + 8311A v1.3</p></td> |
| <td><p>Pin BT_ADC on ESP-LyraT-8311A</p></td> |
| <td><p>This pin is required for initialization of the six button on ESP-LyraT-8311A. At the same time, ESP-LyraP-TouchA needs this pin for its touch actions.</p></td> |
| <td><p>If you plan to use buttons on ESP-LyraT-8311A, do not initialize pin IO6 (PHOTO) for your ESP-LyraP-TouchA.</p></td> |
| </tr> |
| <tr class="row-even"><td><p>TouchA v1.1 + CAM v1.1</p></td> |
| <td><p>IO1, IO2, IO3</p></td> |
| <td><p>Cannot be used simultaneously because of the mentioned multiplexed pins.</p></td> |
| <td><p>For ESP-LyraP-TouchA, do not initialize IO1 (VOL_UP), IO2 (PLAY), and IO3 (VOL_DOWN).</p></td> |
| </tr> |
| <tr class="row-odd"><td><p>TouchA v1.1 + LCD32 v1.2 + CAM v1.1</p></td> |
| <td><p>IO1, IO2, IO3, IO11</p></td> |
| <td><p>Conflicts on the mentioned multiplexed pins.</p></td> |
| <td><p>For ESP-LyraP-TouchA, do not initialize IO1 (VOL_UP), IO2 (PLAY), IO3 (VOL_DOWN), and IO11 (NETWORK).</p></td> |
| </tr> |
| <tr class="row-even"><td><p>TouchA v1.1 + LCD32 v1.2 + 8311A v1.3</p></td> |
| <td><p>IO6, IO11</p></td> |
| <td><p>If ESP-LyraT-8311A’s pin BT_ADC is used to initialize the board’s six buttons, IO6 and IO11 will not be available for the other boards.</p></td> |
| <td><p>Do not initialize IO11 (NETWORK) for your ESP-LyraP-TouchA. Also, if you need to use BT_ADC, do not initialize IO6 (PHOTO).</p></td> |
| </tr> |
| </tbody> |
| </table> |
| <p>Also, all extension boards and the JTAG interface share the same pins IO39, IO40, IO41 and IO42. For this reason, the following may disturb the JTAG operation:</p> |
| <ul class="simple"> |
| <li><p>Plugging in any extension board</p></li> |
| <li><p>Debugging an application that is using an extension board</p></li> |
| </ul> |
| </section> |
| </section> |
| <section id="serial-console"> |
| <h2>Serial Console<a class="headerlink" href="#serial-console" title="Permalink to this heading"></a></h2> |
| <p>UART0 is, by default, the serial console. It connects to the on-board |
| CP2102 converter and is available on the micro-USB connector (J1).</p> |
| <p>It will show up as /dev/ttyUSB[n] where [n] will probably be 0.</p> |
| </section> |
| <section id="buttons-and-leds"> |
| <h2>Buttons and LEDs<a class="headerlink" href="#buttons-and-leds" title="Permalink to this heading"></a></h2> |
| <section id="buttons"> |
| <h3>Buttons<a class="headerlink" href="#buttons" title="Permalink to this heading"></a></h3> |
| <p>There are two buttons labeled Boot and EN. The EN button is not available |
| to the software. It pulls the chip enable line that doubles as a reset line.</p> |
| <p>The BOOT button is connected to IO0. On reset, it is used as a strapping |
| pin to determine whether the chip boots normally or into the serial |
| bootloader. After resetting, however, the BOOT button can be used for |
| software input.</p> |
| </section> |
| <section id="leds"> |
| <h3>LEDs<a class="headerlink" href="#leds" title="Permalink to this heading"></a></h3> |
| <p>There are many on-board LEDs. The only one that can be controlled by software |
| is a WS2812 RGB LED (U21) addressable LED and is driven by GPIO45.</p> |
| </section> |
| </section> |
| <section id="configurations"> |
| <h2>Configurations<a class="headerlink" href="#configurations" title="Permalink to this heading"></a></h2> |
| <section id="nsh"> |
| <h3>nsh<a class="headerlink" href="#nsh" title="Permalink to this heading"></a></h3> |
| <p>Basic NuttShell configuration (console enabled in UART0, exposed via |
| USB connection by means of CP2102 converter, at 115200 bps).</p> |
| </section> |
| </section> |
| </section> |
| |
| |
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