Search found 3 matches

by whatry109
Tue Jun 20, 2017 9:56 am
Forum: General Programming
Topic: The Reading Problems of MMA8451QR1
Replies: 1
Views: 2697

The Reading Problems of MMA8451QR1

Recently I am using MMA8451QR1,I found a phenonmence: When the right side-up and X=0,Y=0, the value that Z axle read is 40H. According to the datasheet of MMA8451QR1 : it’s different form the stadand value. I would like to ask that: 1).What do the values that X,Y,Z read out belong to ? How to handle...
by whatry109
Tue May 23, 2017 11:04 am
Forum: Electronics products
Topic: Troubles in STM32F407ZET6
Replies: 1
Views: 4912

Troubles in STM32F407ZET6

Hi~ I want to ask you some suggestions about STM32F407ZET6. Well,This is the datasheet of STM32F407ZET6: http://www.kynix.com/uploadfiles/pdf8798/STM32F407ZET6.pdf . Have you meet some situation like this : The chip start up so slowly when cutting the current (about 10 seconds) and electrifying agai...
by whatry109
Tue Apr 11, 2017 9:49 am
Forum: General Programming
Topic: Why it can’t output HEX When I compiler the AT89C51 by using
Replies: 1
Views: 2300

Why it can’t output HEX When I compiler the AT89C51 by using

Hello~all I am a newbie in the compiler and I met some troubles now. Can you solve it ? Maybe my question is simple to you.Please look at the following program: Rebuild target 'Target 1' compiling Serial-test.c... linking... LX51 LINKER/LOCATER V4.66.41.0 - SN: T1PMC-JQ522C COPYRIGHT ARM Germany Gmb...