[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 …
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 …
Raspberry Pi Pico: BH1750 Ambient Light Sensor (MicroPython)
Learn to use the BH1750 ambient light sensor with the Raspberry Pi Pico programmed with MicroPython to get ambient light measurements. We’ll show you how to wire the sensor, install …
MicroPython: BH1750 Ambient Light Sensor with ESP32/ESP8266
The BH1750 is a 16-bit ambient light sensor. In this tutorial, you’ll learn how to use the BH1750 ambient light sensor with the ESP32 and ESP8266 boards programmed with MicroPython …
ESP32 with LVGL: Display DS18B20 Sensor Readings on TFT LCD (Text and Arc)
In this guide, you’ll learn how to program the ESP32 with LVGL (Light Versatile Graphics Library) to display temperature from the DS18B20 sensor on a TFT LCD Touchscreen Display (2.8 …
ESP32 CYD with LVGL: Display Temperature with DS18B20 Sensor (Text and Arc)
In this guide, you’ll learn how to display temperature from the DS18B20 sensor on an ESP32 Cheap Yellow Display (CYD) using LVGL (Light Versatile Graphics Library). We’ll display the temperature …
Raspberry Pi Pico with I2C LCD Display (MicroPython)
Learn how to use the I2C LCD (Liquid Crystal Display) with the Raspberry Pi Pico programmed with MicroPython. We’ll cover how to write static text, scrolling text, and how to …
ESP32 Web Server with Slider: Control LED Brightness (PWM)
This tutorial shows how to build an ESP32 web server with a slider to control the LED brightness. You’ll learn how to add a slider to your web server projects, …