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Re: Retrofitting old analog tachometer to another engine

 by whay ¦  Tue Oct 17, 2017 2:35 am ¦  Forum: Projects ¦  Topic: Retrofitting old analog tachometer to another engine ¦  Replies: 5 ¦  Views: 755

I am so sad that I can not help you because my knowledge is limited! But I would like to suggest you some forum which maybe give you help. Have question about circuit, go to h[url]ttps://www.allaboutcircuits.com/[/url] Buy electronic product, go to  http://www.kynix.com  or  http://www.ti.com/ About...

The Output Voltage of LM358

 by whay ¦  Mon Jul 03, 2017 1:06 am ¦  Forum: Projects ¦  Topic: The Output Voltage of LM358 ¦  Replies: 1 ¦  Views: 816

Hello, Please look at the following diagram: 7.3.1.jpg When positive input is 0,the output should be 0v,while the output should be 5v If positive input is 1.8v. However, now the output is 1.8v when positive input is also 1.8v. The first solution I think is that: need I delete C5/C8? Maybe the first ...

Re: How to adjust program?

 by whay ¦  Thu Mar 09, 2017 7:12 pm ¦  Forum: AVR Microcontrollers ¦  Topic: How to adjust program? ¦  Replies: 2 ¦  Views: 1112

Nobody can solve this question ? OK...I have no time to solve it before I handed up my homework...

Re: What should I notice when using LIS3DH?

 by whay ¦  Thu Mar 09, 2017 7:10 pm ¦  Forum: Projects ¦  Topic: What should I notice when using LIS3DH? ¦  Replies: 9 ¦  Views: 1387

Please allow me to express my appreciation to you all! The problem has been solve successfully in your help and my processor! I will try my best to learn it more professional and be a person like you in the future who can help others! Thanks a lot! !

How to adjust program?

 by whay ¦  Mon Mar 06, 2017 12:43 am ¦  Forum: AVR Microcontrollers ¦  Topic: How to adjust program? ¦  Replies: 2 ¦  Views: 1112

Good afternoon~brothers :D I'm coming again.Would you like to know which question I brought? :dance: OK, let's go into the subject. I learn NRF24L01 not long ago.Recently I am confusing about this question a long time when I’m adjusting program.I hope I can find the answer from this forum. I send th...

Re: The Problems of My System

 by whay ¦  Fri Mar 03, 2017 2:34 am ¦  Forum: MSP Microcontrollers ¦  Topic: The Problems of My System ¦  Replies: 3 ¦  Views: 1364

Valen wrote:Please enclose that code between [ code] [/ code] tags. That reduces the length of your post and makes it more readable. I have no knowledge about that hardware. I can't help.
Oh~sorry!I will enclose that code between [ code] [/ code] tags in the next time.Anyway,thanks a lot!

About PC MCU

 by whay ¦  Fri Mar 03, 2017 1:03 am ¦  Forum: Everything ARM and LPC ¦  Topic: About PC MCU ¦  Replies: 1 ¦  Views: 1059

Good afternoon~ 8) Thank you for taking time to read my topic. The purpose I would like to realize is passing the serial assistant of PC to send a character to MCU,it can be read in the program and take this character to a variable, after that paying this variable to IO.Now you can see output wave i...

The Problems of My System

 by whay ¦  Thu Mar 02, 2017 2:38 am ¦  Forum: MSP Microcontrollers ¦  Topic: The Problems of My System ¦  Replies: 3 ¦  Views: 1364

Hello~ :D Recently I am learning systems of xilinx and I built a MCU by using EDK. Unfortunately, it always been pointed out that system reset in the following procedure. My system RSTN is following high. The reset signal I set is low level reset, however, I don’t found the solution after adjusting ...

Re: What should I notice when using LIS3DH?

 by whay ¦  Tue Feb 28, 2017 6:48 pm ¦  Forum: Projects ¦  Topic: What should I notice when using LIS3DH? ¦  Replies: 9 ¦  Views: 1387

Haha...yes,you are right,friend.I'm not very good at English and I think maybe I need to learn it as soon as possible.I think I have understood what you mean,I will try it again right now.You are so kind!Thanks a lot!

What should I notice when using LIS3DH?

 by whay ¦  Mon Feb 27, 2017 11:00 pm ¦  Forum: Projects ¦  Topic: What should I notice when using LIS3DH? ¦  Replies: 9 ¦  Views: 1387

Good afternoon~everybody,thanks for expending time to reading my post firstly!I am so pleasure to be here and share you my problems and I hope there are someone could help me! At present,I’m using the monolithic--PIC18f25k80(this product: http://www.kynix.com/Detail/870618/PIC18F25K80-I%2FSO.html ) ...