After saving the picture from the oscilloscope with the USB drive, I opened the USB drive on the computer and found that there was no picture saved from the oscilloscope. Why is this? At first, I thou...
P89LPC914 is a microcontroller packaged in a single chip, suitable for many occasions requiring high integration and low cost. It can meet many performance requirements. P89LPC914 uses a high-performa...
Digital Circuit Design : https://training.eeworld.com.cn/course/4861This course aims to introduce the basic concepts and tools of digital system logic design....
Last week I saw a promotion on TB that there was a special offer for solar lights, less than 4 yuan with free shipping, so I bought one and opened it to take a look.The overall appearance is mainly a ...
I displayed a drop-down list box on the TFT. The code is as follows:[size=14px]I want this drop-down box to display 4 options when clicked, compression test, tensile test, three-point bending, four-po...