A mini UPS with 5V, 9V, 12V DC output and optional PoE can be used to power a WiFi access point, a broadband router, an SBC, ...
Power over Ethernet (PoE) switches have fundamentally transformed how devices are powered and connected to industrial networks.By transmitting both power and data through a single Ethernet ...
The final part of the show deals with the design of a PoE module, with a small switching power supply to give the required 48 volts. All in all, this should be required reading for anyone who ...