BMW Engine and Sensor Data Flow Reference

BMW Engine and Sensor Data Flow Reference

1. Front Oxygen Sensor: Greater than 2V——— Lean (Idle 1.5-N20.N55; 2V-N52); Equal to 2V———- Complete combustion; Less than 2V——– Rich 2. Rear Oxygen Sensor: Greater than 0.45V——— Rich; Equal to 0.45V———- Complete combustion (generally 0.7V); Less than 0.45V——– Lean 3. Intake Manifold Pressure Sensor: With VALTRANIC: Absolute pressure 950mbar, relative pressure 50mbar; if the VVT … Read more

Why I Use Makefile for Processes

Why I Use Makefile for Processes

Automatically check if target files or source files exist. If the source files are not found, exit the make process. If the target files are found, skip this make step. Automatically check for changes in target files or source files. If the source files are modified, regenerate the corresponding target files. Easy to run multiple … Read more

Visual Interface Development with Node-RED: Framework Introduction and Data Flow Deployment

Visual Interface Development with Node-RED: Framework Introduction and Data Flow Deployment

Introduction to Node-RED Framework and Data Flow Deployment We have previously introduced the basics of Node-RED, including login functionality. Today, we will learn about the specific framework of the open-source visual development tool Node-RED and how to deploy the first data flow. 1 Introduction to the Interface Framework The data flow editing interface consists of … Read more