1. From Polling to Interrupt Many students prefer polling over interrupt-driven operations. Is this related to our nature? Everyone likes to have everything under control and dislikes being interrupted. We often have experiences where we are talking to someone and suddenly receive a phone call, and after the call, we can’t remember what we were … Read more
What is an Industrial IoT Gateway An Industrial IoT Gateway (IIoT Gateway) is a hardware device or software program that serves as a bridge between local devices (such as PLCs, barcode scanners, robots, CNC machines, non-standard upper computers, etc.) and cloud systems (such as IoT platforms, SCADA systems, MES systems, etc.). All data flowing between … Read more
Project Name: GPS Portable Module V2.0 Project Author: Fei Wolf Uno Introduction Using a free PCB to create a GPS smart watch! Can last up to 100 days! Netizens are drooling over it! 1. What are the highlights of this watch? This is a GPS portable positioning watch 2.0, designed using ESP32C3 as the main … Read more
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Click the card below to follow Arm Technology Academy Weekly Lesson is a new column at Arm Technology Academy, where I regularly select public courses from the Extreme Technology Community for everyone to learn more technology. Welcome to follow Weekly Lesson. Public Course Content This session introduces how to deploy Arm-2D on Cortex-M processor chips … Read more
24V Brushless DC (BLDC) Motor Sine Wave Drive for Air Purifier Fan This reference design is an economical, small form factor (SFF), three-phase sine wave driver for brushless DC (BLDC) motors, capable of delivering up to 50W at 24V. The board accepts a 24V input and provides three motor outputs to drive the BLDC motor … Read more
MAKER：Bobby Leonard / Translated by: Cherry If you have some plants at home, you may encounter the problem of not being able to water them when you go out for a long holiday. The automatic irrigation system introduced below can not only solve this problem but also allow you to apply these techniques to DIY … Read more
Introduction: CrowPi is an amazing Raspberry Pi project system, installed in a laptop-like shell. Word count of this article: 3596, reading time approximately: 6 minutes I love history and I love computers, so rather than how computers became personal accessories, I prefer to hear the story of … Read more
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This chapter mainly explains: Basic setup of WAN interface for PPPoE dial-up internet using OpenWRT firmware. 1. What is OpenWRT firmware Here is a brief introduction to the origin of OpenWRT. Back in the day, Linksys (which has been acquired by Cisco) released a wireless router product named: WRT54G/GS, a classic product. However, the software … Read more