Raspberry Pi now sells a PoE+ Injector for $25. This device, which adds Power-over-Ethernet functionality to a non-PoE Ethernet switch, requires the use of a PoE HAT and does not come with a power ...
Arduino is a microcontroller designed for real-time hardware control with very low power use. Raspberry Pi is a full computer that runs operating systems and handles complex tasks. Arduino excels at ...