Posts tagged with sudo

Raspberry Pi user management

Posted
Filed under Raspberry Pi

Raspberry Pi user management

The Raspberry Pi OS creates a user called ‘pi’. What does this mean and what privileges does this user have? This post discusses user management on a Raspberry Pi.

What beginners should know about JSON

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Filed under Coding

What beginners should know about JSON

JSON is a lightweight syntax or standard for storing and exchanging data between servers and users. Data presented in JSON format is human-readable.

ESP8266 5V Wi-Fi relay switch modules

Posted | Updated 1 January 2018
Filed under Electronics

ESP8266 5V Wi-Fi Relay Switch Modules

ESP8266 5V Wi-Fi relay switch modules are Wi-Fi enabled, relay power switches with an ESP-01 board. They can be controlled wirelessly from smart devices.