All the development boards come with hardware support for digital communications protocols such as I2C, SPI, and UART. However, you will get stuck if you need more of these interfaces than what is available on the board by default. That’s when the PIO (Programmable I/O) came to play!
An IoT dashboard is a data visualization tool that transforms, displays, and organizes a collection of data captured and transmitted by network-connected devices. The primary purpose of an IoT dashboard is to provide human-readable information-at-a-glance to remotely monitor historical and real-time IoT data.
The Raspberry Pi Foundation has announced the Raspberry Pi 400, a compact keyboard with an ARM-based computer built-in. Just plug it into a TV or monitor using one of its two micro HDMI ports, insert a microSD card, attach a power cord and mouse, and you’ve got yourself a basic computer for day-to-day tasks, coding, …