Introduction: This article is a step-by-step technical guide on using InfluxDB 3 and Grafana to centralize data from smart home devices onto a unified platform. Dear partners, did you know that smart home devices in your home generate a large amount of scattered data? This tutorial will show you how to use InfluxDB 3 and … Read more
Question: Can you explain why the board surface turns white after wave cleaning? After using a hot air gun, the whitened areas return to normal! Liao Xiaobo: This whitening of the board surface is mostly due to residual flux that has not been thoroughly cleaned, which appears when it absorbs moisture. Baking or using a … Read more
1. Case Background The sample sent for inspection is a certain type of PCBA board. After SMT, it was found that some pins on a connector had poor soldering and unstable failure. Each side of the connector has a total of 50 pins, made of copper with nickel and tin plating. The PCB pad surface … Read more
IoT Data Platform: Building a Real-Time Monitoring System with MQTT and InfluxDB It was a sultry summer last year when our team took on a large factory’s equipment monitoring project. The outdated system used MySQL to store sensor data collected every 5 minutes, resulting in the database crashing when operations wanted to view real-time trends … Read more
1 Tools for Manual Soldering Any electronic product, from a rectifier composed of several parts to a computer system made up of thousands of components, is constructed from basic electronic components and functions, connected using certain manufacturing methods according to circuit principles.Although there are various connection methods (such as winding, crimping, gluing, etc.), the most … Read more
From open-source data to open-source event streams, learn about the MQTT publish/subscribe (pubsub) wire protocol. — Sean Dague Useful original link Please visit the “original link” at the end for clickable in-text links, full-size original images, and related articles. Thanks Compiled from | https://opensource.com/article/18/6/mqtt | Author | Sean Dague | Translator | Andy Song (pinewall) … Read more