The crystal pins are black because of improper storage and oxidation. We can see that there are some black spots on the metal surface. The black spots are the result of rust caused by the metal parts
I still remember the forum activity a few days ago: " Free draw! Tektronix will build your first oscilloscope in your life! "Tektronix says: "These oscilloscopes are the result of decades of hard work
【Abstract】This paper focuses on a new design scheme for realizing Ku-band upconverter of satellite digital TV equipment, which is different from the traditional method. The realization principle and m
Applications that measure light with photomultiplier tubes usually require the use of a picoammeter because the currents to be measured are very small. A photomultiplier tube (PMT) is a device that co
【KW41Z】FXOS8700CQ (3D accelerometer + 3D magnetometer) [url]https://en.eeworld.com/bbs/forum.php?mod=viewthread&tid=531318&fromuid=194541[/url] (Source: Electronic Engineering World-Forum) I have a ce
[align=left]MAX32630FTHR[font=宋体]board learning (VI): Bluetooth transmission of heart rate and blood oxygen data[/font][/align][align=left][font=宋体]In the previous article, we completed the storage of