ESP866 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.
Continue reading

Advertisements
Posted in Misc | Leave a comment

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.
Continue reading

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

Raspberry Pi 3 Raspbian: Exposing a Flask server to the local network

In this tutorial we will check how to expose a Flask server to the local network, so it can be reached from clients connected to that same network. This tutorial was tested on a Raspberry Pi 3 model B+, running version 4.9 of Raspbian, installed using NOOBS.

Continue reading

Posted in Raspberry Pi | Tagged , , , , , , , | Leave a comment

ESP32 Socket Server: Connecting from a Putty socket Client

In this tutorial, we will check how to setup a socket server on the ESP32 and how to contact it using Putty as a socket client. The code will be implemented on the Arduino core for the ESP32. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board.

Continue reading

Posted in ESP32 | Tagged , , , , , , | 1 Comment

Raspberry Pi 3: Getting the local IP address

In this tutorial, we will check how to get the local IP address of the Raspberry Pi using the command line and the ifconfig command. This tutorial was tested on a Raspberry Pi 3 model B+, running version 4.9 of Raspbian, installed using NOOBS.

Continue reading

Posted in Raspberry Pi | Tagged , , , , , , , | 3 Comments

ESP32 Arduino Socket server: Getting remote client IP

In this ESP32 tutorial, we will check how to get the IP of a socket client that connects to a socket server hosted on the device, using the Arduino core. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board.
Continue reading

Posted in ESP32 | Tagged , , , , , , , | 2 Comments

ESP32 Arduino: Sending data with socket client

In this ESP32 tutorial we will check how to send data with a socket client on the Arduino core. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board.
Continue reading

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