I want to make a wireless distributed communication device. I have a wireless DTU, but I don't want to develop the terminal processor, that is, the modular computer, by myself. I want to buy a ready-m...
[i=s]This post was last edited by fish001 on 2017-8-27 22:12[/i] [font=宋体][size=3][color=#000] [/color][/size][size=4][color=#000000] [/color][/size][/font][size=4][color=#000000][font=宋体]Here is an a...
3GPP Long Term Evolution (LTE) is an ongoing project to improve the universal mobile telecommunication system (UMTS) standard to handle future requirements of mobile phones. The main targets include h...
[i=s] This post was last edited by ljj3166 on 2015-11-17 13:08 [/i] I was DIYing a DDS here a few days ago and encountered a very interesting problem. I wrote it here for everyone to see [code] unsign...
Press a key to turn on the computer. At the same time, this key also serves as a confirmation key after turning on the computer. If there is no key action for a period of time, the power supply of the...
At present, the test is as follows: when the host sends data to the slave stm32, the slave stm32 always replies 0xa5. But in many cases, the slave does not send 0xa5, but other data. For example, the ...