How to use the Nlohmann/json library to apply the JSON patch operation to an object, using the ESP32 and the Arduino core.
ESP32 inja: Custom functions
How to define custom functions to be used in inja templates.
ESP32: Ambient Light Sensor
How to connect an Ambient Light Sensor and an ESP32.
ESP32 cpplinq: Removing duplicate elements of array
Removing duplicated elements from an array with cpplinq, running on the ESP32.
ESP32: Testing uLisp
In this tutorial we will check how to use uLisp, a version of the Lisp programming language that can run on the ESP32. The tests from this tutorial were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board. Introduction In this tutorial we will check how to use uLisp, a version of the Lisp programming language …
ESP32 Socket Server: Controlling a relay remotely
In this tutorial we will check how to control a relay connected to the ESP32 remotely, using sockets. The code will be developed using the Arduino core. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board and a DFRobot relay board. Introduction In this tutorial we will check how to control a relay …
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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 weather data from API
In this tutorial, we will check how to use the ESP32 to request weather data from an API for a given city, using the Arduino core. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction In this tutorial, we will check how to use the ESP32 to request …
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ESP32 Arduino Serial over Bluetooth: Receiving data
In this tutorial we will check how to receive data on a serial connection operating over Bluetooth classic. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction In this tutorial we will check how to receive data on a serial connection operating over Bluetooth classic. This tutorial …
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ESP32 Arduino: Serial communication over Bluetooth Hello World
The objective of this post is to explain how to get started with the BluetoothSerial ESP32 library, in order to send data to a emulated Serial connection, operating over Bluetooth classic. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board. Introduction The objective of this post is to explain …
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