[i=s]This post was last edited by kikiwu on 2019-3-26 18:06[/i] [align=center][size=5][color=#ff8c00][b]DIY Indoor Air Quality Monitor[/b][/color][/size][/align] [align=right][size=4][color=#ff8c00][b
After unpacking, JTAG and UART USB were both plugged into the USB port of the computer. The screen was not lit, but the LED was red. After installing the driver CP210x, the red light turned green. The
1. Learning experience:When I was learning the basic principles of filtering algorithms, I didn’t quite understand how the algorithms were implemented because I had just started. However, after learni