[i=s]This post was last edited by tongshaoqiang on 2021-3-4 17:13[/i]As shown in the figure above, transistor 8050 is used to control 2 relays (4100F-5V, HF46F-5V). The input of the coils of both rela...
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Transmission lines that transmit microwave signals and microwave energy in a directional manner are called microwave transmission lines. Commonly used TEM mode transmission lines include coax...
The previous article introduced the writing of capacitive touch driver, including the modification of device tree and driver program (IIC driver + interrupt + input subsystem), and tested the touch fu...
Speaking of baseband and radio frequency, I believe everyone is familiar with them. They are two common concepts in the communications industry and often appear in front of us.However, the more common...
[size=4][color=#000000][backcolor=white]There are usually two ways to achieve delay: one is hardware delay, which requires the use of timer/counter. This method can improve the CPU's working efficienc...
[i=s]This post was last edited by eew_fxVwmx on 2020-6-9 11:39[/i] I have been self-studying embedded development for a year and now have invested in a large number of development boards. At first, I ...