The Raspberry Pi is an inexpensive little computer-on-a-board with a low-power processor, an Ethernet port, and HDMI output. If you want a video input, y0u can buy an optional camera accessory… but if ...
The Raspberry Pi 4 was just released. This is the newest version of the Raspberry Pi and offers a better CPU and more memory than the Raspberry Pi 3, dual HDMI outputs, better USB and Ethernet ...