eeworld.com.cn

RC522 mini NFC, RFID , (已验证)

这次主要讲的是如何设计更小的PCB尺寸,为此我还打了四五次板,还是那句话:愿君少走弯路, 我会在这里分享我踩过的坑; 此坑主要是layout上的, 关于高频信号, 我们常说等差等长布线, 对于这个模块来说, 天线部分也挺遵循这个原则, 从贴片电感开始之后的那几个元 ...
GitHub

Homemade and factory tools for the CH341A programmer device.

The FreeCad files can be downloaded here (top half) and here (bottom half). The STL files for the slicer can be downloaded here (top half) and here (bottom half). Two 9 mm long sections of used empty ...
Investopedia

Understanding RFID: How Radio Frequency Identification Works Efficiently

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
IEEE

Modern RFID Reader Antennas: A Review of the Design, State-of-the-Art, and Research Challenges

Abstract: The internet of things (IoT) paradigm aims to make the world smarter by reducing human intervention and promoting automated interactions. A radio frequency identification (RFID) reader is a ...