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License: MIT

esp32dash

esp32dash is an open-source independently working part of the ESP32FREE project

(cc) ESP32FREE is a free web-server firmware for ESP32 prototyping | www.esp32free.com

alt text

esp32dash enables your ESP32 show the dashboard in web-browser. For example for the connected sensors values & outputs states & variables and so on. It does this by using the Google charts. This code is made for the ESP32 and use the arduino-esp32.

Hardware

  • ESP32-board

alt text

Installation instructions

  • Install the arduino-core for the ESP32.
  • Install the external library: bbx10/WebServer_tng
  • Configure IDE: Flash frequency 80 MHz, Flash size 4Mb(32Mb), Flash mode QIO, Upload speed is 115200.
  • Configure code - seach for the "<-----" string in esp32dash.ino
    • Set your Wi-Fi network SSID and PASS in the code.
    • Set your Wi-Fi network IP, gate & mask, or leave as is for DHCP mode.
  • Connect ESP32 board to the PC via the best of your USB cables. (it is very ! Important: Use the best USB-cable for the enough power supply.)
  • Compile and upload the code to your ESP32.
  • Upload the data to SPIFFS (see here for more information).
  • Open the COM-port monitor if you want.
  • Wait until it connects to your Wi-Fi network. If your ESP32 board have the led on the 2-nd pin, it will blink 2 times.
  • Go to http://myESP32.local and there you'll find the dashboard with a few bilt-in sensors values.
  • Open the code again and add your live values to the dashItems array. Compile and upload the code to your ESP32.
  • Refresh the page in the browser. Your data will be shown on the dash.
  • We are the champions!

Status indicators

This firmware use the led on the ESP32 GPIO2 to indicate it's status:

  • On startup
    • normal blink for the 2 times: Wi-Fi founded and device connected as a client.
    • fast blink for the 5 times: something wrong, can't connecting to the Wi-Fi.

Credits

  • Hopperpop for his well-structured project Sattrack gave me the idea about how to bring things together making a web-server firmware for the ESP32.