I just found a MAX7219 digital tube, as shown in the figure , so I took GD32 to test it, and modified it with the GPIO_LED routine of the demo routine. Copy the entire GPIO_LED directory, change the n
Congratulations to EE for its 10th anniversary. I have also been in the industry for 3 years. I entered university in September 2012 and registered on the forum for the first time in June 2013. At tha
When designing a power amplifier (when the latter stage carries a very small load), the power is about 10W and the load is 8 ohms. Which MOS power tubes are generally used? What else should be paid at
[align=left]English proficiency directly determines the height of development in the IT industry - sharing of English speaking experience that allows technicians to pass interviews smoothly[/align][al
[font=仿宋, 仿宋_GB2312][size=5] [/size][/font] [font=仿宋, 仿宋_GB2312][size=5]Speaking of the lively New Year in Northeast China (in the countryside), I remember when I was a kid, we would slaughter a pig e
I recently designed a circuit for a project. The main control chip is STM32F103CVT6. I want to use an LCD touch screen, but I can't find a suitable model. Can experts recommend a 4.3-inch or 4.7-inch