[SOLVED] DHT11/DHT22 – Failed to read from DHT sensor
This is a troubleshooting guide for the most common issues with the DHT sensor when using ESP32, ESP8266, Arduino, or similar boards. If you get an error message in your …
Search Results for: dht22
ESP8266 Publishing DHT22 Readings to SQLite Database
In this project you’ll create a standalone web server with a Raspberry Pi that displays temperature and humidity readings with a DHT22 sensor that are stored in an SQLite database. …
ESP8266 Publishing DHT22 Readings with MQTT to Raspberry Pi
In this project you’ll create a standalone web server with a Raspberry Pi that displays temperature and humidity readings with a DHT22 sensor. You can also control two outputs from …
Programming Raspberry Pi Pico 2 and 2 W with Arduino IDEÂ
Learn how to program the Raspberry Pi Pico 2 or 2 W boards using Arduino IDE. The Raspberry Pi Pico 2 / 2 W is a microcontroller developed by the …
ESP32 Email Alert Based on Temperature Threshold (change values on web server)
Learn how to send an email alert with the ESP32 based on a temperature threshold. The ESP32 also hosts a Web Server that shows the latest sensor readings and input …
Arduino with NEO-M8N GPS Module: Get Latitude, Longitude, Altitude, Date and Time
In this guide, you’ll learn how to interface the Arduino board with NEO-M8N GPS module. You’ll learn how to connect the module to the board and how to program it …
Raspberry Pi Pico: 20 Free Guides for Sensors and Modules
This article is a compilation of 20 free guides for different sensors, modules, and peripherals compatible with the Raspberry Pi Pico. Most guides cover programming the RPi Pico using MicroPython …
Raspberry Pi Pico with Anemometer: Measure Wind Speed (Arduino IDE)
Learn how to interface an anemometer to measure wind speed with the Raspberry Pi Pico. We’ll cover how to power and connect the sensor to the Pico, and write a …
MicroPython: ESP32/ESP8266 Asynchronous Programming – Run Multiple Tasks
In this guide, we’ll take a look at the basics of MicroPython asynchronous programming with the ESP32 and ESP8266 NodeMCU using the asyncio module. You’ll learn to run multiple tasks …
ESP32 External Wake Up from Deep Sleep
This article shows how to put the ESP32 in deep sleep mode and wake it with an external wake up like a button press. We’ll cover how to use ext0 and ext1 methods.
ESP32 Touch Wake Up from Deep Sleep
This guide shows how to wake up the ESP32 from deep sleep using the touch-sensitive pins. The ESP32 will be programmed using Arduino IDE. Updated 8 October 2024. The ESP32 …
Raspberry Pi Pico: BME680 Environmental Sensor (MicroPython)
Learn how to use the BME680 environmental sensor module with the Raspberry Pi Pico board programmed with MicroPython to get data about temperature, humidity, pressure, and gas (air quality). We’ll …
Raspberry Pi Pico: BME680 Environmental Sensor (Arduino IDE)
Get started with the BME680 environmental sensor module with the Raspberry Pi Pico board programmed with the Arduino IDE to get data about temperature, humidity, pressure, and gas (air quality). …
Getting Started with ESP8266 NodeMCU Development Board
New to the ESP8266? Start here! The ESP8266 is a Wi-Fi System on a Chip (SoC) produced by Espressif Systems. It’s great for IoT and Home Automation projects. This article …