7 Raspberry Pi robot kits compared, from a budget three wheeled camera car to a mecanum ROS 2 platform, a tracked robot with a 4-DOF arm, a twelve servo robot dog and an eighteen servo hexapod, with real specs, honest pros and cons and Amazon listings checked live.
The 10 best USB hubs for Raspberry Pi in 2026 — powered and bus-powered 4-port, 7-port and 10-port hubs plus a Pi HAT (Sabrent, Anker, UGREEN, Plugable, Waveshare) compared on ports, power and speed for the Pi 4, Pi 5 and Pi Zero.
The best cameras for Raspberry Pi in 2026 — 8 verified picks from the official Camera Module 3 and AI Camera to Arducam’s 64MP Hawkeye, compared on sensor, autofocus, shutter type and use case, with direct Amazon links.
The best Raspberry Pi Zero 2 W kits for 2026 — 8 starter, camera, display and learning kits compared, with clear “board included?” flags, honest pros & cons and direct Amazon links.
The best Raspberry Pi 5 starter kits in 2026 — 8 complete bundles and learning kits compared on RAM, storage, cooling, what’s in the box and price, with verified Amazon links and honest verdicts.
In this tutorial, we will learn how to perform a headless setup of a Raspberry Pi without using a keyboard, mouse, monitor, or even a USB-to-serial converter. A headless setup …
In this tutorial, we will learn how to install the Mosquitto MQTT broker on a Raspberry Pi. The Mosquitto broker will be used for MQTT communication on the Raspberry Pi, …
In this tutorial, we will learn how to install Node-RED on a Raspberry Pi. This installation process works on both 32-bit and 64-bit versions of the Raspberry Pi OS (formerly …
In this tutorial, we will learn how to send simple text messages to our WhatsApp number using Node-RED. Node-RED is a free, open-source, flow-based development tool widely used in IoT …
In this user guide, we will show you how to send email alerts with Node-RED. It is very handy and practical to include email notifications in IoT projects where sensor …