1. Origin A long time ago, I saw a post on social media that mentioned hanging an e-ink display on the door of a company meeting room to show the schedule in real-time. After seeing it, I found it very interesting. At that time, I had no development experience, so I only left a small … Read more
Follow/Star Public Account, never miss a message! A friend asked: Brother Huang, I just learned FreeRTOS not long ago, I want to ask, how much stack should I allocate when creating a task? 1Introduction This question about memory allocation in the FreeRTOS operating system can be clarified if you have a general understanding of memory … Read more
Water Plant Tank Landscaping: DIY Mini Desktop Waterfall Shallow Tank, Simple and Fun
Arduino has a rich set of external interfaces, and the biggest difference from Raspberry Pi’s IO ports is that Arduino has analog input interfaces that can measure analog values on IO ports. The communication scheme between Arduino and Raspberry Pi via serial (Serial) generally has two methods: one is through Raspberry Pi GPIO serial communication, … Read more
This is a document I found online, and the author’s goal is to design a simple embedded operating system that only implements the functionality of a basic task scheduler. As the author mentioned, although it cannot be called an operating system, it embodies the essence of a small embedded operating system. It serves as excellent … Read more
Project Name: Portable ECG Author: hc5 Introduction Today’s highlight is!One device to solve everything! This is an ECG device made with ESP32, it also serves as a satellite clock and an accurate thermometer! 01How to Use the ECG Device? ” ” Refer to the figure below, attach the electrodes to use the ECG function! 1 … Read more
Introduction With the development of the Internet of Things (IoT), more and more devices need to connect to IoT platforms for monitoring and management. However, different devices may use different communication protocols and interfaces, which poses certain challenges for integration and management. To address this issue, ThingsBoard has developed open-source software called ThingsBoard Gateway, which … Read more
Click to follow us Get more IIOT tips~ Huangke Industrial Raspberry Pi High Performance Multiple Interfaces Wide Temperature – Adapt to Harsh Environments ★★★★★ Huangke · Industrial IoT 1. Introduction OPC UA is an open communication protocol based on Ethernet, also known as a popular communication protocol in Industry 4.0, aimed at bridging OT and … Read more
Glowing Tube Clock Over 60 years have passed, and although glowing tubes have been discontinued, many engineers still have a deep affection for them. I created a glowing tube clock using 8 LCD screens to feel the beauty of retro elements and express my respect for past classics. Project Origin Friends who have watched “Steins;Gate” … Read more
Follow us on WeChat “DLGG Maker DIY“ Set as “Starred“, delivering heavy content to you in real-time. Recently, I wanted to play with audio playback again. I dug out some previous articles to review. This time I plan to use M5stickC, the one with a strap that you can wear on your wrist, yes, it … Read more