Background: A PCB board has been made, on which there is a chip 1 that can receive CMMB signals, which can complete the tuning and demodulation functions, and an SMD CA decryption card 2. The output o...
Top 10 Weird Pictures - How the Eyes Tricker the BrainIs the pillar round or square? Look carefully at the photo, there is a lion's head! It is said that people who can see 9 faces have an IQ of 180 a...
[i=s] This post was last edited by xinxiaojun on 2014-9-30 20:15 [/i] [size=5]SAMD21 development board trial experience + avrstudio 6.2 debugging SAMD21 Xplained pro development board 1-led lighting p...
When testing the Vds waveform of the MOS tube of the SR synchronous rectification, I zoomed in on the oscilloscope cycle. Why are there peaks and valleys? Isn't it just a high and low square wave wave...
The situation is as follows: As a rookie, I don't know much about chips. I connected the 4V signal P2[10] to the external interrupt 1. It was able to run at first, but after a while, the above situati...