Currently, the widely popular ESP8266 and ESP32 WiFi modules have rich applications in various fields, but the most prominent market is undoubtedly in IoT applications, such as home automation, smart lighting, smart metering, and remote control. You can find many ready-made projects on the Internet. ArduiTouch is a smart device with a touchscreen shell, specifically … Read more
1. What is Hardware? Baidu Baike describes “Hardware (English name Hardware) is the abbreviation of computer hardware (terms used in mainland China and Hong Kong, while Taiwan refers to it as hardware), which refers to various physical devices composed of electronic, mechanical, and optoelectronic components in a computer system. These physical devices form an organic … Read more
The switching node of a switching regulator or power converter circuit is a critical conduction path that requires special attention during PCB layout. This circuit node connects one or more power semiconductor switches (such as MOSFETs or diodes) to magnetic energy storage devices (such as inductors or transformer windings). Its switching signals contain rapidly switching … Read more
Recently, I have been quite busy with work, but I still managed to squeeze out some time to finish the matrix LED clock mentioned in my last article. I made a video to introduce this clock, which you can watch on Bilibili or YouTube. Today, I am writing another article to detail the design concept … Read more
The issue of air quality has become a global topic. Outdoors, people can assess the severity of pollution by observing the orange-yellow sky and reduced visibility. This is when we know to open air quality detection software to see if we need to wear masks, turn on air purifiers, or let our children play outside. … Read more
In this article, we learn how to transmit MQTT messages from ESP8266 / NodeMCU to a Raspberry Pi running an MQTT broker. Our NodeMCU will read the light levels through a light-dependent resistor (LDR) and then transmit this information to the Raspberry Pi over Wi-Fi using MQTT. NodeMCU is an open-source IoT platform. It is … Read more
In the consideration of PCB EMC design, the first aspect involves the setting of layers; the number of layers on the board consists of power, ground, and signal layers. In product EMC design, in addition to the selection of components and circuit design, good PCB design is also a very important factor. The key to … Read more
Today, we will use ESP8266 (NodeMCU) to create an internet clock that retrieves time from the internet. Yes, it retrieves time from the internet accurately and efficiently without the need for synchronization.This is a detailed tutorial for beginners! As per international convention, let’s first showcase the finished product: As shown in the picture, if you … Read more
Click the above【Tencent Cloud IoT】 to follow us and set a star mark Co-build the IoT industry ecosystem Following the last session, the highly requested access platform practical course is here This session of the “Techo Youth September University Developer Open Class” continues to be exciting ThemeTencent Lianlian Developer Forum: Quickly Access Platform Based on … Read more
