How to use ESP32 Dual Core with Arduino IDE
The ESP32 comes with 2 Xtensa 32-bit LX6 microprocessors: core 0 and core 1. So, it is dual core. When we run code on Arduino IDE, by default, it runs on core …
Search Results for: esp32 sensor readings
MicroPython: ESP-NOW with ESP32—Receive Data from Multiple Boards (many-to-one)
In this MicroPython guide, we’ll show you how to set up an ESP32 to receive and display data from multiple ESP32 boards using the ESP-NOW communication protocol (many-to-one configuration). We’ll …
ESP32 with FreeRTOS Queues: Inter-Task Communication (Arduino IDE)
In this guide, you’ll learn how to use FreeRTOS queues for safe and efficient communication between tasks on the ESP32, using the Arduino IDE. Queues allow you to exchange data …
Raspberry Pi Pico: HC-SR04 Ultrasonic Sensor (MicroPython)
Learn how to use the HC-SR04 Ultrasonic Sensor with the Raspberry Pi Pico to get the distance to an object using MicroPython firmware. This tutorial covers how to wire the …
MicroPython: ESP32 ESP-NOW Two-Way Communication
Learn how to establish a two-way communication between two ESP32 boards using ESP-NOW communication protocol. First, we’ll test a simple example to show you how to implement two-way communication. Finally, …
ESP32 Web Server using LittleFS Filesystem (serve files from filesystem)
In this tutorial, you’ll learn how to build a web server with the ESP32 that serves HTML and CSS files stored in the LittleFS filesystem. Instead of embedding the HTML …
ESP32 CYD with ESP-NOW: Receive and Display Data From Multiple Boards
In this project, you’ll learn how to use the ESP-NOW communication protocol with the ESP32 CYD Board (Cheap Yellow Display) to receive and display data from multiple ESP32 sender boards. …
ESP32-CAM Save Picture in Firebase Storage
In this guide, you’ll learn how to take and upload a picture to Firebase Storage using the ESP32-CAM. You’ll create a Firebase project with Storage that allows you to store …
MicroPython: ESP-NOW with ESP32 (Getting Started)
Learn how to use ESP-NOW communication protocol with the ESP32 programmed with MicroPython. ESP-NOW is a connectionless communication protocol created by Espressif, designed for short packet transmission. It is one …
Control ESP32/ESP8266 GPIOs from Anywhere (Firebase Web App)
In this guide, you’ll create a Firebase Web App to control the ESP32 or ESP8266 GPIOs from anywhere. The access to the web app is protected with authentication using email …
MicroPython: ESP32/ESP8266 with DS3231 Real Time Clock (Get Time and Set Alarms)
Learn how to interface the DS3231 Real Time Clock Module with the ESP32 and ESP8266 boards programmed with MicroPython. The DS3231 RTC module is a great module for accurate timekeeping, …
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/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 …