English:Trying to connect to MCU/single-chip computer by handshake... English:Connection failed, please try the following: 1.When the single-chip computer is powered off, click the download button, an
[size=3][size=12px] The difference between the functions of analog and digital oscilloscopes The oscilloscope is a window for observing waveforms. It allows designers or maintenance personnel to see t
[i=s]This post was last edited by anananjjj on 2014-5-7 12:14[/i] After drawing for two or three days, I finally completed the BBB board baseplate of this plan. The specific schematic diagram is intro
[img]http://e/learning/ACSample.jpg[/img]This is a circuit for sampling and detecting 220V AC voltage. The AC power is converted into a small signal through a mutual inductor, and after precision half