ARM9 2440 failed to read SHT11, all 0XFF; after 2440 sent the command, no ACK signal was detected at the ninth clock. There should be no problem with the hardware, the same sensor runs normally on oth...
How to measure the distance between two nodes (cc2530)? Currently I use afIncomingMSGPacket_t in the z-stack protocol stack to read the rssi value. Now I don't know what algorithm to use to calculate ...
[i=s]This post was last edited by hujj on 2019-1-9 10:45[/i] The ST NUCLEO-G071RB[/color][/align] development board used in this review comes from the [color=#008000][backcolor=transparent][font=Tahom...
As shown in the picture, today is the day to eat eel in Japan, the official name is "Tu De Chou Day". Tu: Saturday in Japan. Monday to Sunday are called like this in Japan, Yue Yao, Tu Yao, Wed Yao, T...
The power amplifier I made before burned out. Recently, when I was doing analog-to-digital conversion, I thought of a Class D power amplifier, so I built one on a breadboard to get a feel for it. If t...
This material explains electronic circuits in the form of comics. It is a very practical book. Compared with our traditional textbooks, it has several outstanding features. First, the comic format is ...