Official microUSB Power Supply Unit for Raspberry Pi 3 Model B
This Pi Foundation approved power supply unit (PSU) for the Pi 3, The power supply is an integrated cable and microUSB plug. There are also four interchangeable mains adaptors — you can use the PSU in the UK, Europe, Australia and the United States.
RS485 Shield V3 Raspberry Pi 樹莓派專用 RS485擴展板 SparkFun 進口
LinkSprite 專為 Raspberry Pi 製作了這款小型RS485 Shield V3，現在您將能夠為您的現場匯流排直接連接到您的RPi上的通訊端口！RS485 在現在工業應用中普遍應用，它允許多達32台設備通過相同的數據線通過長達4,000ft的電纜長度進行通信，最大數據速率為10Mbit / s。
Our friends over at LinkSprite have made this nifty little RS485 Shield V3 for the Raspberry Pi, now you will be able to have a communication port for your field bus directly connected to your RPi! Even though the RS485 is sometimes thought as an “archaic” protocol, it will allow up to 32 devices to communicate through the same data line over a cable length of up to 4,000ft with a maximum data rate of 10Mbit/s. Those aren’t bad numbers!