LoRa Study: Setting and Explanation of Key LoRa Parameters (Spreading Factor, Coding Rate, Bandwidth) 1. Spreading Factor (SF) 2. Coding Rate (CR) 3. Signal Bandwidth (BW) 4. Relationship between LoRa Signal Bandwidth BW, Symbol Rate Rs, and Data Rate DR 5. Setting of LoRa Signal Bandwidth, Spreading Factor, and Coding Rate For specific applications, developers … Read more
PCI Express is a technology that often makes headlines, from the release of every generation of Intel and AMD processors to the recent significant drop in prices of M.2 interface solid-state drives. Therefore, this core bus technology of modern computers, how exactly does it work? PCI vs. PCI Express: High Clock Speeds Determine High Speeds … Read more
Limit bandwidth for specific IP addresses in OpenWrt 1. Script for limiting bandwidth Use a custom script to limit the bandwidth for specific IP addresses or address ranges for connected devices. # !/bin/sh # Define incoming and outgoing interfaces (IDEV for internal network interface, ODEV for external network interface) IDEV=”tunAcc” ODEV=”br-wan” # Define total upstream … Read more