[align=left][font=微软雅黑][size=4]Before I started working as an applications engineer, I was an IC test development engineer. One of my projects was to characterize an I2C temperature sensor. After writ...
[i=s]This post was last edited by DDZZ669 on 2021-9-23 23:09[/i]The previous two Linux driver articles introduced two new and old development methods of character device drivers, and used a virtual ch...
In order to facilitate testing, a PCB expansion board was designed and proofed. The board is designed with female headers corresponding to the pin headers of the STM32F401 development board, so that t...
In a world where everything is connected, more and more electronic devices that can understand speech are coming into our sight. In devices such as smartphones, tablets and laptops with Siri or Cortan...
The evaluation has finally come to an end. In order to achieve the goal of uploading indoor temperature, humidity and atmospheric pressure data to the cloud based on the Essence NB-IoT development boa...