Fix missing board and display the board id in place of 'Unknown Board'

_board/ai_thinker_esp32-c3s-2m.md

@@ -0,0 +1,46 @@
+---
+layout: download
+board_id: "ai_thinker_esp32-c3s-2m"
+title: "ESP-C3-32S (2M) Download"
+name: "ESP-C3-32S (2M)"
+manufacturer: "Ai-Thinker"
+board_url: "https://docs.ai-thinker.com/en/esp32c3"
+board_image: "ai_thinker_esp32-c3s.jpg"
+date_added: 2022-02-22
+family: esp32c3
+features:
+  - Breadboard-Friendly
+  - Wi-Fi
+  - Bluetooth/BTLE
+---
+This is an entry-level development board based on Espressif ESP32-C3 SoC, which is equipped with a RISC-V 32-bit single-core processor, operating frequency up to 160 MHz, supports secondary development without using other microcontrollers or processors. The ESP32-C3 is an highly integrated low power Wi-Fi and Bluetooth system-level chip (SoC), designed for various applications such as internet of things (IoT), mobile devices, wearable electronics, smart home, etc.
+
+### Features
+
+- Onboard ESP-C3-32S module that comes with a PCB antenna
+- Onboard CH340, USB to UART converter
+- RGB 3-in-1 LED, convenient for secondary development
+- USB port for power input, firmware programming, or UART debugging
+- 2x15pin extension headers, breakout all the I/O pins of the module
+- 2x keys, used as reset or user-defined
+
+### Specifications
+
+- Complete Wi-Fi 802.11b/g/n, 1T1R mode data rate up to 150Mbps
+- Support BLE5.0 and rate support: 125Kbps, 500Kbps, 1Mbps,2Mbps
+- Onboard ESP32-C3 chip, 32-bit RISC-V single-core processor, supports a clock frequency of up to 160 MHz, with 400 KB SRAM, 384 KB ROM, 8KB RTC SRAM
+- Support UART/PWM/GPIO/ADC/I2C/I2S interface, temperature sensor, pulse counter
+- SMD-38 package
+- Integrated Wi-Fi MAC/ BB/RF/PA/LNA/BLE
+- Support multiple sleep modes, deep sleep electric current is less than 5uA
+- UART rate up to 5Mbps
+- Support STA/AP/STA+AP mode and mix mode
+- Support Smart Config (APP)/AirKiss (WeChat) of Android and IOS One-click network configuration
+- Support UART port local upgrade and remote firmware upgrade (FOTA)
+- General AT commands can be better understand
+- Support secondary development, integrated Linux development environment
+- ESP-C3-32S module acquiesce in using the built-in 2MByte Flash, meanwhile support external Flash version
+
+## Purchase
+
+* [Aliexpress](https://www.aliexpress.com/item/1005003023291446.html)

downloads.html

@@ -96,8 +96,10 @@ <h1>Downloads</h1>
     {% assign boards = site.data.files | sort: "downloads" | reverse %}
     {% for board in boards %}
       {% assign info = site.board | where: 'board_id', board.id %}
+      {% assign info_name = info[0].name %}
       {% if info.size == 0 %}
         {% assign info = site.board | where: 'board_id', 'unknown' %}
+        {% assign info_name = board.id %}
       {% endif %}
 
       {% assign info = info[0] %}
@@ -119,7 +121,7 @@ <h1>Downloads</h1>
               {% include downloads/board_image.html board_image=info.board_image %}
             </div>
             <div class="details">
-              <h3>{{ info.name | default: board.id }}</h3>
+              <h3>{{ info_name | default: board.id }}</h3>
               By {{ info.manufacturer }}
             </div>
           </div>