How to display luminosity levels on a real-time web dashboard served by the ESP32. We will be using the ESP-DASH library and the Arduino core.
ESP32: Real-time web dashboard
How to use the ESP-DASH library to implement a web-based dashboard that will be updated in real time with sensor measurements (temperature and humidity). Under the hood, the update mechanism will be based in websockets. We will be using the ESP32 and program it with the Arduino core.
ESP32: Heart Rate Sensor
How to use the ESP32 to interact with a heart rate sensor, using the Arduino core.
ESP32 Arduino: Using an infrared CO2 sensor
In this ESP32 tutorial, we will check how to get measurements from a C02 sensor, using the Arduino core. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board. Introduction In this ESP32 tutorial, we will check how to get measurements from a C02 sensor, using the Arduino core. The sensor used was an …
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ESP32 Arduino: Getting humidity measurements from a DHT22 sensor
In this tutorial, we will check how we can get humidity measurements from a DHT22 sensor, with the Arduino core running on the ESP32. To make the interaction with the sensor easier, I’m using a DFRobot DHT22 module which has all the additional electronics needed and exposes a wiring terminal that facilitates the connections. Introduction In this tutorial, …
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Electronics: Rain Sensor
The objective of this post is to describe a cheap rain sensor that can be used to detect rain with microcontrollers such as the Arduino or the ESP8266. Introduction The objective of this post is to describe a cheap rain sensor that can be used to detect rain with microcontrollers such as the Arduino or …
Electronics: A cheap rain sensor
Description of a a cheap electronics rain sensor, compatible with devices such as the Arduino and the ESP8266.
ESP8266: Read DHT11 measurements
How to connect the DHT11 sensor to an ESP8266 and obtain measurements.