I recently prepared some things to take home. In order to prevent temporary office needs at home, I bought a 4G router from Dandelion online. I tried it out briefly. It is a dual-purpose router that c
[i=s]This post was last edited by James199 on 2021-10-17 18:56[/i]At present, most combinations in the industry are Amazon's FreeRTOS + ARM. This time we will use Huawei Hongmeng to replace FreeRTOS a
Some power control circuits use NMOS to control the negative output, cutting off the negative pole of the battery and the system's GND. What are the advantages and disadvantages of this compared to po
TWS (True Wireless Stereo) Bluetooth headsets are extremely popular audio products in recent years. With the help of Bluetooth chips, it first establishes a wireless connection between the mobile phon
Electronic systems are increasingly using RF sources in radio frequency (RF) applications such as automotive radar, 5G cellular, and the Internet of Things. All of these RF sources require ways to mon