Projeto de IoT #8 - Monitor de Condições Ambientais - ESP32 MQTT Dashboards - Internet e Coisas #92

Special project for the Channel's 2nd Anniversary month! Our IoT Project #8, bringing many technologies and knowledge to your learning: ESP32 microcontroller; two types of sensors, analog and digital; communication via MQTT; access to data directly on the ESP32; real-time dashboards; two technology options for data access. **The source code was updated on 02/04/2021 to maintain compatibility with the WiFiClientSecure library** For reference, watch the videos: Sensor Series - LDR - Internet and Things #22:    • Serie Sensores - LDR - Internet e Coisas #22   Sensor Series - DHT Humidity and Temperature - Internet and Things #42:    • Serie Sensores - DHT Umidade e Temperatura...   Access Data via MQTT in the Browser - Internet and Things #69:    • Acesse Dados via MQTT no Navegador - IeC69   Environment and Free Tools for MQTT - Internet and Things #70:    • Ambiente e Ferramentas Gratuitas para MQTT...   ESP32 Using HTTP and MQTT - Internet and Things #85:    • ESP32 Utilizando HTTP e MQTT - IeC85   ATTENTION - LEGAL NOTICE: https://internetecoisas.com.br/#Av Example Page: http://internetecoisas.com.br/exemplo... Sketch and circuitry: https://internetecoisas.com.br/downlo... Reference on XMLHttpRequest: https://developer.mozilla.org/en-US/d... Download the Internet and Things Channel Wallpapers: For computer, 1920 × 1080 pixels: https://internetecoisas.com.br/downlo... For mobile phones and tablets, 1080 × 1920 pixels: https://internetecoisas.com.br/downlo... Credits --------------------------- Music Brontosaurus, by Topher Mohr and Alex Elena, provided by YouTube Laid Back, by The Mind Sweepers, provided by Filmora Images Jeferrb, hosted by Pixabay - https://pixabay.com/en/network-iot-in... Videos Videvo, hosted by Videvo - https://www.videvo.net/video/street-e... Videvo, hosted by Videvo - https://www.videvo.net/video/rotating... Videvo, hosted by Videvo - https://www.videvo.net/video/printed-... Videvo, hosted by Videvo - https://www.videvo.net/video/tracking... Videvo, hosted by Videvo - https://www.videvo.net/video/macro-sh... Videvo, hosted by Videvo - https://www.videvo.net/video/computer... Videvo, hosted by Videvo - https://www.videvo.net/video/typing-o... Videvo, hosted by Videvo - https://www.videvo.net/video/insertin... Videvo, hosted by Videvo - https://www.videvo.net/video/hdd-warn... Videvo, hosted by Videvo - https://www.videvo.net/video/backgrou... Beachfront, hosted by Videvo - https://www.videvo.net/video/coffee-c...