I succeeded in using external interrupt PC2, but PC3 failed to use external interrupt function. I tried the external input reading function of PC3 and it worked. Does PC3 have any special configuratio...
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Score: 0When you want to use MCO, you cannot enable Timer 1 and Serial Port 1.No way, the cost of...
The VCC of the microcontroller (STC89C52) is 5V, and the VCC of the GPS (MTK M89) is 4.3V. RXD is connected to TXD, and TXD is connected to RXD. When I use a multimeter to measure the serial port of t...
With the global popularization and advancement of cellular wireless communication technologies represented by 4G and 5G, and the vigorous development of communication technologies in various professio...
Does anyone have the schematic diagram of this power supply? Or something similar is also OK. I want to modify it into a power supply with adjustable current and voltage....
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
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1 Introduction
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5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Overview
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Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]