This is an updated, well-designed stand that provides a sleek, sturdy case for a 7" touchscreen display and Raspberry Pi. It's compatible with the Pi 4, can add a variety of LEGO-compatible front pane
1. Transparent transmission: refers to a data transmission method that is independent of the medium, modulation and demodulation method, transmission method, and transmission protocol of the transmiss
1.Measurement principle1: Introduction to infrared wavelengthFigure 1Infrared spectrum
The commonly used measurement wavelength range is: 700nm~14000nm2: Object radiationFigure 2 Schematic diagram of
[i=s]This post was last edited by qi777ji on 2021-5-24 11:14[/i]I finally received this book today, thank you EEWORLD! I opened the title page and saw in the preface that the author introduced that th