How to build a dynamic sensor network that can be monitored through a web-based real-time dashboard. We will be using the ESP32 to implement the nodes of the sensor network and the Arduino core to program them.
ESP32: web dashboard over Soft AP
How to serve a web dashboard from the ESP32 with the device working as Soft AP. We will be using the ESP-DASH library and the Arduino core.
ESP32 Arduino: Getting DHT22 sensor measurements with interrupts
In this tutorial we will check how to obtain temperature measurements from a DHT22 sesnor using the ESP32, the Arduino core and timer interrupts. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board, and a DFRobot DHT22 module. Introduction In this tutorial we will check how to obtain temperature measurements from a DHT22 sensor …
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ESP32 Espruino DHT22: Getting temperature and humidity
In this tutorial we will check how to get temperature and humidity measurements from a DHT22 sensor using Espruino, running on the ESP32. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board. Introduction In this tutorial we will check how to get temperature and humidity measurements from a DHT22 sensor using Espruino, …
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ESP8266 Arduino: Getting temperature and humidity with a DHT22 sensor
In this tutorial we will check how to get temperature and humidity measurements from a DHT22 sensor, with the Arduino IDE running on the ESP8266. The tests were performed using a DFRobot’s ESP8266 FireBeetle board and a DFRobot DHT22 module. Introduction In this tutorial we will check how to get temperature and humidity measurements from a DHT22 sensor, with the …
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ESP32 Arduino: Temperature, humidity and CO2 concentration web server
In this ESP32 tutorial we will check how to develop a HTTP web server that will expose an API for clients to retrieve measurements of temperature, humidity and CO2, using a CO2 sensor and a DHT22 temperature and humidity sensor. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board. Introduction In this ESP32 …
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ESP32 Arduino: DHT22 Minimum Sampling Period
In this tutorial we will check how to get the minimum sampling period of the DHT22 and how to use it to make some temperature measurements without crossing the maximum sampling rate. To facilitate the interaction with the sensor, I’m using a DFRobot DHT22 module which already has all the electronics needed and exposes a wiring terminal that …
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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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ESP32 Arduino: Getting temperature from a DHT22 sensor
In this ESP32 tutorial, we will check how to get temperature measurements on the Arduino core running on the ESP32, using a DHT22 temperature and humidity sensor. 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 temperature measurements on the Arduino …
Continue reading "ESP32 Arduino: Getting temperature from a DHT22 sensor"
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