In line with the principle of not returning favors, I would like to share the books I bought with E-coins.I have basically finished reading the first book written by an American. The second book is qu
[i=s]This post was last edited by lising on 2019-6-19 19:22[/i]Fortunately, I was qualified to try out the CH549EVT from Qinheng Electronics. Thanks to Qinheng Electronics and EEWORLD for providing th
Linear relationship, linear regionAbout the three concepts of ADC INL, DNL, and LSB; transistor cutoff region, linear region (amplification region), and saturation region; sensor linearity; input ando
SM9858 is a six-channel electronic volume control IC manufactured using CMOS technology. SM9858 independently adjusts and controls the audio signals of six channels through the I2C communication proto
[size=4][color=#000000][backcolor=white]I referred to a document. When the public version of SIM800C is in transparent transmission mode, it takes about 20-25 seconds to connect to the network. I boug