Category Archives: ESP32

ESP32 Arduino: Controlling a relay

The objective of this post is to explain how to control a relay using the Arduino core, running on a ESP32. The relay board used was this one from Elecrow. Advertisements

Posted in ESP32 | Tagged , , | Leave a comment

ESP32 Arduino web server: getting client IP

The objective of this post is to explain how to obtain the IP of a client that contacts a HTTP web server running on the ESP32, on the Arduino core. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device … Continue reading

Posted in ESP32 | Tagged , , , , , , , | Leave a comment

ESP32 HTTP server: Multiple methods allowed on same route

The objective of this post is to explain how we can allow multiple HTTP methods on the same route of an async HTTP web server running on the ESP32, using the Arduino core. The tests of this tutorial were performed using … Continue reading

Posted in ESP32 | Tagged , , , , , , , , | 4 Comments

ESP32 Arduino: Variable length arrays

In this tutorial, we will check how to use variable length arrays on the Arduino core running on the ESP32. The tests of this tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board.

Posted in ESP32 | Tagged , , , , , , , , , | Leave a comment

ESP32 Arduino web server: Get free heap and reset device remotely

In this ESP32 tutorial we will check how to remotely obtain the device’s free heap and how to reset it. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board.

Posted in ESP32 | Tagged , , , | 1 Comment

ESP32 Arduino async server: Controlling HTTP methods allowed

In this ESP32 tutorial, we will check how to control the HTTP methods allowed for requests made to routes of the HTTP async web server. The tests of this ESP32 tutorial were performed using a DFRobot’s ESP-WROOM-32 device integrated in a ESP32 FireBeetle board.

Posted in ESP32 | Tagged , , , , , , , | 3 Comments

ESP32 Arduino: Applying the HMAC SHA-256 mechanism

The objective of this post is to explain how to apply the HMAC mechanism to a message on the ESP32, 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.

Posted in ESP32 | Tagged , , , , , , , , , | 3 Comments