DEBO POE ADAPTER: Development boards - PoE Micro-USB power adapter
modSensor_02 - Kamami on-line store
REVODATA Gigabit Micro USB PoE Splitter 5V/3A, 48V PoE to Micro USB 5V/3A Output, 10/100/1000Mbps Active IEEE802.3af/at, PoE Adapter Splitter for Pi 3B/3B+/Micro USB Device (USB0503G) : Electronics
Power Systems Design (PSD) Information to Power Your Designs
I designed a custom PCB for a small Arduino quadcopter : r/arduino
Raspberry Pi 4 Features Broadcom BCM2711 Processor, Up to 4GB RAM - CNX Software
DROK - Experienced in Developing and Manufacturering Buck Boost Module, Digital Meter, Audio Amplifier Module, Professional Electric Module Manufacturer & Supplier
RS232/485/422 TO POE ETH (B) - Waveshare Wiki
LTM8051 Datasheet and Product Info
PoE Splitter 5V2.5A PoE to USB C/Micro USB 2-in-1 Adapter, IEEE 802.3af Compliant PoE Power Adapter for Raspberry Pi 3/4 Security IP Camera/Voip
RS232/485/422 TO POE ETH (B) - Waveshare Wiki
X947124-003 For Microsoft Surface Book Pro 3 4 65W 15V 4A 5V 1A AC Adapter - - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.
Dsmx DSM2 Remote Receiver For Spektrum DX6I DX18 DX8 DX9 DEVO10 Transmitter,REDCON CM410X - 4Ch Receiver PPM JST 2.4G