October 2019
Intermediate to advanced
350 pages
9h 5m
English
Content preview from Hands-On Internet of Things with MQTT
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Raspberry Pi 4 Model B+
In contrast to the aforementioned development boards, which use a microcontroller, Raspberry Pi is a full-blown, single-board computer with separate memory, GPU (graphics card), and multi-core CPU in a very small form factor. It typically runs a Linux operating system, often Raspbian, a special version of Linux made for the Raspberry Pi. It was the first popular single-board computer combining both worlds—microcontroller boards with GPIO pins and a full operating system with support for USB devices such as hard drives, webcams, keyboards, or mice. It also ships with an Ethernet network port to create a stable network connection, an SD-card slot, and an audio jack connector, as well as an HDMI port to connect a screen ...
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