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1. Correct GPIO settings
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIOD clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
/* Configure PD.03, PC.04, as input floating */
GPIO_In...[Details]
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Using traditional mercury or alcohol thermometers to measure temperature not only takes a long time to measure, is inconvenient to read, and has a single function, it can no longer meet people's requ...[Details]
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In summary, the main challenges of making measurements with the OPA857 include: Transimpedance Configuration Low input capacitance High output impedance At 20kW gain and 1VPP output voltage swing...[Details]
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#include "msp430g2553.h"
#define uchar unsigned char
#define uint unsigned int
#define RS_1 P1OUT|=BIT3;//input data
#define RS_0 P1OUT&=~BIT3;//input instruction
#define RW_1 P1OUT|=BIT4;//write...[Details]
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The lowest frequency that a multimeter can measure is 3 Hz. To make accurate measurements, pay attention to the following points. Be careful to select the correct AC filter setting. The AC filter sm...[Details]
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Whether in terms of function or performance, the MSC1210 microcontroller of Texas Instruments (TI) has reached the pinnacle of mixed signal processing. It integrates an enhanced 8051 core, has 8-way ...[Details]
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There are four structural forms of assembler programs: sequence, loop, branch, and subroutine. 1. Sequential Structure Program example: AREA Buf,DATA,READWRITE; define the data segment Buf Array...[Details]
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Apple is testing high-end screens from Chinese panel giant BOE and has now entered the final verification stage. The screens may be used in the new iPhone to be launched next year. This move shows th...[Details]
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1 Introduction Power transformers are electrical equipment that transmit and distribute electric energy by converting voltage. The transformer winding polarity and transformer transformation ratio te...[Details]
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Switch tube drive circuits have been widely used in various electronic circuits of transistors with fast switching actions, which can improve circuit reliability and circuit performance. Drive contro...[Details]
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To understand how people listen to music while driving, Spotify is testing a new in-car streaming music player. Its biggest feature is that it supports voice control of music and podcast playback. Th...[Details]
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Strategy Analytics’ latest research report, “Smart Home Survey – Surveillance Cameras,” points out that among households with smart homes in the United States, the United Kingdom, Germany and France,...[Details]
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In the design of virtual instrument application programs, the front panel often places some controls with different appearance styles according to the user's requirements. These intuitive and visual ...[Details]
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0 Introduction
With the development of industry, the scale of industrial sites is getting larger and larger. Several or even dozens of computers complete different industrial measurement or control ...[Details]
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According to the "Notice on Further Improving the Real-Name Registration Management of Telephone Users" issued by the Ministry of Industry and Information Technology, telecommunications companies wil...[Details]