I recently made a 32-channel low-pass filter board. When I was debugging, I input a standard sine wave from a function generator. The input was fine, but after passing through a 390K resistor, the wav
[font=微软雅黑][size=4][color=#303030]Based on your work, let your imagination run wild——[/color] [color=#303030]How do you think the Internet of Things can be used? [/color] [color=Black]What is the cool
[i=s]This post was last edited by liren1979 on 2017-5-11 11:01[/i] [font=宋体][size=4][color=#008000] [b]The SensorTile core board is soldered to the expansion board. The expansion board communicates wi