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//ad conversion subroutine
//The returned data is a 12-bit int
//max186 channel ch0 corresponds to 0, which is max186 pin 1
//max186 channel ch1 corresponds to 1, which is max186 pin 2
//max186 c...[Details]
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Recently, under the attention of the industry, Shanghai Kepler Exploration Co., Ltd. (hereinafter referred to as "Kepler Humanoid Robot") and Singapore PPLE successfully signed a milestone strategi...[Details]
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As the core sensor for autonomous driving, lidar is entering the era of mass production faster than many people expected. According to relevant statistics, there are currently more than 20 models o...[Details]
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Luxexcel, a technology leader in 3D printed prescription lenses, has partnered with WaveOptics, a leading waveguide and light engine design and manufacturer, to develop an innovative module that inte...[Details]
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Abstract: This article introduces the product characteristics, electrical parameters and some technical issues that should be paid attention to during use of the ultra-small, ultra-low power, hi...[Details]
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Single-chip microcomputer experiment design: It is required to use 8951 series single-chip microcomputer, design a pulse generator with a pulse width duty cycle of 50%, 25% adjustable, and a period o...[Details]
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This article introduces the design of DDS function signal generator based on 51 single chip microcomputer. The system roughly consists of three parts: signal generation part, digital/analog conversio...[Details]
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XTAL1 (pin 19) and XTAL2 (pin 18) are the oscillator input and output ports, and are connected to an external 12MHz crystal oscillator.
RST/Vpd (pin 9) is the reset input port, which is ...[Details]
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Many people know what an oscilloscope is used for, what types and brands of oscilloscopes there are, and of course how to operate them. However, does anyone know what are the safe operations of an os...[Details]
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Model selection
Universal testing machine first determines the maximum force value to be tested. If the maximum force value is below 2KN, a single-column electronic tensile testing machine is gen...[Details]
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In DC to low frequency sensor signal conditioning applications, the common mode rejection ratio (CMRR) of the instrumentation amplifier alone is not enough to provide robust noise rejection in hars...[Details]
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STM32 printf problem
Why does the error "FILE is Undefined" appear all the time? What's the problem? Please help me, thank you!
My program code configuration is as follows:
#include "stm32f10x.h"
...[Details]
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【Contents of this chapter】
1) Understand the concept of embedded systems;
2) Understand ARM’s business model;
3) Understand the version and processor architecture of ARM;
4) Understand the sele...[Details]
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1. Variables or arrays without initial values
Simply use the _at_ keyword plus the address.
like:
unsigned char idata myvar _at_ 0x40;
unsigned char code myvar _at_ 0x40;
T...[Details]
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Many mobile phone brand manufacturers have released new products one after another, including smart watches, TWS headphones, smart bracelets and other new wearable devices. The release of these new...[Details]