Firebase: Control ESP32 GPIOs from Anywhere
In this guide, you’ll learn how to control the ESP32 GPIOs from anywhere using Firebase. We’ll create nodes on the Firebase Realtime Database to save the current GPIO states. Whenever …
ESP32
ESP32 WiFiMulti: Connect to the Strongest Wi-Fi Network (from a list of networks)
Learn how to use WiFiMulti with the ESP32. It allows you to register multiple networks (SSID/password combinations). The ESP32 will connect to the Wi-Fi network with the strongest signal (RSSI). …
ESP32 with Load Cell and HX711 Amplifier (Digital Scale)
In this guide, you’ll learn how to create a scale with the ESP32 using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load cell …
Install ESP32 Filesystem Uploader in Arduino IDE
The ESP32 contains a Serial Peripheral Interface Flash File System (SPIFFS). SPIFFS is a lightweight filesystem created for microcontrollers with a flash chip, which is connected by SPI bus, like …
ESP32 with TDS Sensor (Water Quality Sensor)
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with the ESP32. A TDS meter indicates the total dissolved solids like salts, minerals, and metals, …
ESP32: K-Type Thermocouple with MAX6675 Amplifier
In this guide, you’ll learn how to read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the ESP32 board. A K-type thermocouple is a type of temperature sensor …
ESP32 with BH1750 Ambient Light Sensor
The BH1750 is a 16-bit ambient light sensor. In this guide, you’ll learn how to use the BH1750 ambient light sensor with the ESP32 board using Arduino IDE. The sensor …
ESP32/ESP8266: Firebase Data Logging Web App (Gauges, Charts, and Table)
In this project, you’ll create a Firebase Web App that displays all the sensor readings saved on the Firebase Realtime Database. We’ll create a web interface with gauges, charts, and …
ESP32 Data Logging to Firebase Realtime Database
In this guide, you’ll learn how to log data with the ESP32 to the Firebase Realtime Database with timestamps (data logging) so that you have a record of your data …
ESP32: Create a Wi-Fi Manager (AsyncWebServer library)
In this guide, you’ll create and set up a Wi-Fi Manager with the ESPAsyncWebServer library that you can modify to use with your web server projects or with any project …
ESP32/ESP8266: Firebase Web App to Display Sensor Readings (with Authentication)
In this guide, you’ll create a Firebase Web App to display sensor readings saved on the Firebase Realtime Database. The sensor readings web page is protected with authentication with email …
ESP32/ESP8266 Firebase: Send BME280 Sensor Readings to the Realtime Database
In this guide, you’ll learn how to send BME280 sensor readings to the Firebase Realtime Database using the ESP32 or ESP8266 NodeMCU boards. The ESP board will authenticate as a …
ESP32 NTP Time – Setting Up Timezones and Daylight Saving Time
In this tutorial, you’ll learn how to properly get the time with the ESP32 for your timezone and consider daylight saving time (if that’s the case). The ESP32 will request …
ESP32 Web Server: Display Sensor Readings in Gauges
Learn how to build a web server with the ESP32 to display sensor readings in gauges. As an example, we’ll display temperature and humidity from a BME280 sensor in two …