I'm making an electronic keyboard recently, using a 51 chip, but I can't tune the corresponding tone. Please help me, is there a problem with the circuit or the program? My idea is to generate a squar...
The microcontroller is PIC16F688. I use the interrupt function void interrupt isr (vvoid) {...} and it stops in the interrupt after running, but does not enter the above interrupt function. Is the for...
Author: Liang Hongbing Published: 2006.07.18 15:10:01 Source: CCID Network - China Electronics News 1[ Post a comment ] [Font size: Large, Medium , Small] [ Print ] [ Enter the blog ] [ Enter the foru...
[align=left][color=#000000]The vast majority of electronic components, such as resistors, capacitors, and speakers, are finished products produced by the production department according to the specifi...
I have been working overtime these two days. Yesterday, I was upside down. I occasionally browse the forums and found that there is a lot of trouble in the forums these two days...I just saw eric_wang...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]The password switch shown in the figure is composed of 10 keys, including 6 valid keys and 4 pseudo code keys. Since the valid ke...
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