My home server setup is composed of several Raspberry Pi, where I host different web applications (this blog, an RSS reader, some home IOT apps…). I’ve decided to setup a front gateway, that proxies the request to the right server:

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Following my previous article, I’ll explain how to send the temperature data captured by a sensor connected to an ESP8266 to an MQTT server via WiFi, so it can be stored in an InfluxDB database, displayed as a graph, used on your home assistant installation,…
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In this article, I’ll explain how to make a temperature sensor and display, using an ESP8266 board, a DS18B20 temperature sensor and an I2C LCD display.
The WiFi capabilities of the ESP8266 are not required in this project, but I intent to send the temperature values to an MQTT instance in a future version.
Items
- ESP8266 development board
- DS18B20 temperature sensors
- I2C LCD 16x2 display
- 4.7K resistor
- breadboard
- jumper wires
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I’ve recently ordered and received a YubiKey Neo, which is a security key that can be used for two-factor authentication. This has motivated me to step up my security with stronger passwords.
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A 5 part video series by Docker, explaining how to move a Java EE app to a Docker container.