This book is based on the author Li Wenqing's many years of experience in high-speed PCB design. It uses Allegr016.6 as the software platform and practicality as the principle. It explains in detail t
A low frequency card T5577 and its card reader, as shown belowNow I have two problems
1. When the card is placed against the card reader, the operation direction must be swiped horizontally from right
I want to make a completely open source charger. Open source hardware and code. Leave questions for everyone to solve together.Xianming: My skills are average, and there are many experts here. Please