TI's CC3120/CC3220 devices are part of the SimpleLink microcontroller (MCU) platform consisting of Wi-Fi, low-power, sub-1 GHz and host MCUs that share a common and easy-to-use development environment...
The touch button is mainly realized by detecting the number of oscillations of the RC oscillation circuit built on the board-level system within a fixed time. If the number of oscillations changes sig...
A recent project used the LIS3DH three-axis acceleration sensor. The PCBA had 25 boards, but 5 boards had abnormal reading of the X-axis data of the LIS3DH. The boards with problems all had problems w...
This is my first time doing push-pull. As shown in the figure, I asked my classmates about the derivation of the formula for the output voltages U1 and U2 of the push-pull transformer. They gave two d...
By Haiwen Huang
With the explosive growth of TWS headsets in recent years, more and more end customers have put forward higher requirements on the size, battery life, sound quality, etc. of TWS headse...