The ecosystem of LoRaWAN is quite good, with open-source or free resources available for nodes, gateways, and servers. Among them, the free server www.thethingsnetwork.org is very popular, with nearly ten thousand gateways deployed worldwide. Today, we will discuss how to use this server. You need to register an account at https://www.thethingsnetwork.org (hereinafter referred to as … Read more
In the previous section, we shared how to configure the environment on the board. In this section, we will gradually discuss some key points in ROS2. Reference Materials ROS2 21 Lecture Video: 【GuYueJu】GuYue·Introduction to ROS2 21 Lectures | Introducing a Brand New Robot Operating System_哔哩哔哩_bilibili （https://www.bilibili.com/video/BV16B4y1Q7jQ/?spm_id_from=333.337.search-card.all.click） ROS2 21 Lecture Document: ROS2 Introduction Tutorial (guyuehome.com) （https://book.guyuehome.com/） … Read more
First Author: Li Pengcheng Corresponding Author: Li Ge Affiliation: University of Alberta, Canada [Research Background] Current lithium-ion batteries rely on intercalation chemistry, achieving an energy density of about 250 Wh kg-1. However, there is a continuous demand for higher energy density (500 Wh kg-1), especially for electric vehicles and even electric aircraft. One potential method … Read more