I use 89c51 to decode. The display shows 1602. But during the decoding process, the displayed code keeps changing for a certain period of time and then does not change. Why? Can I press the button to
In 2005, the performance of the global mobile communication market was exciting, with 400 million new users and the entire market showing a high-speed growth trend. In order to maintain this prosperit
[i=s]This post was last edited by mig29 on 2020-11-22 14:31[/i]This example uses the demo ..\MM32F013x_Samples\LibSamples\ADC\ADC_Polling to measurethe accuracy and linearity of the ADC.1. First, cali
When writing multiple blocks to an SD card, after writing a sector, the data0 returned by the SD card is sometimes pulled low for a long time, that is, the SD card is busy for a long time, even up to
[font=Verdana, Helvetica, Arial, sans-serif][size=14px]With TTL as the driving level, should the chip light-emitting diode adopt the common anode or common cathode connection? Please tell me the reaso
[p=28, null, left]I went to attend [color=inherit][font=inherit][url=https://kktix.com/events/happydesigner-mini-5]HappyDeisgner Mini #5[/url][ yesterday /font][/color] I heard Caesar Chi telling the