The State Administration of Radio, Film and Television and the State Administration for Industry and Commerce issued a notice on the 19th, requiring the rectification of radio and television medical i
[b][font=微软雅黑][size=5][color=#118899][url=https://www.eeworld.com.cn/ads/clickads.php?id=9902]DLP System Design Considerations for Near Ultraviolet (UVA) Applications (Wavelength Range between 363nm a
[i=s]This post was last edited by 5525 on 2016-8-20 07:40[/i] Wifi includes 802.11 a/b/g/n. Let's look at the simplest one, 802.11a. [u][b]In the time domain, the physical layer of 802.11a is divided
1. Circuit parameters
1. Charging power source: If it is a USB power source, the rated voltage is 5V.
2. Determine the capacity and voltage parameters of the battery to be used. If you use 18650, you
[size=4]My friend has some engineering parts (non-standard parts) that need to be processed. He originally used a 3D printer to make a batch for demonstration and testing. [/size][size=4] [/size] [siz
Do you know what the reason is? My file name and directory are correct, but now it gives an error. I have been busy for a long time but still can't solve it.