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S3C2440 interrupt register: 1. Interrupts are divided into two categories: internal interrupts and external interrupts. 2. External interrupts. 24 external interrupts occupy GPF0-GPF7 (EINT0-EINT...[Details]
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1. First, let me show you why electricians are suitable for learning PLC.
2.380V constant pressure water supply circuit diagram
3.PLC controls the speed and angle of the stepp...[Details]
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It is reported that Sungrow's HEM series dual electronic control adopts a new discrete device parallel solution, directly welding the power devices to the cold plate and busbar respectively, with l...[Details]
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By adding a MCU database, you can select STC MCU without affecting the use of the original database. Steps: 1. Download the STC database for Keil and rename it to STC.CDB. Put the files in the folder...[Details]
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After leading mobile phone manufacturers Samsung and Huawei launched two or three generations of foldable screen mobile phones, news from the supply chain about Apple's foldable screen mobile p...[Details]
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This paper aims at the structure of automatic meter reading system, and improves the reliability of the host computer software through a series of methods, so as to coordinate the interaction of data ...[Details]
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Recently, the well-known whistleblower Onleaks exposed the renderings of the realme Pad Mini tablet. According to foreign media GSMARENA, the realme Pad Mini uses an 8.7-inch screen, is equ...[Details]
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Recently,
listed
industrial robot companies
have released their first quarter financial reports one after another. It can be seen that most companies have increased their operating income, w...[Details]
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1. Overview
The DC resistance tester, with a high-speed microcontroller as the core, adopts high-frequency modulation high-power power supply, high-speed A/D converter and programmable curren...[Details]
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Many netizens have asked me why the P0 port of AT89S51 needs a pull-up resistor. I will use this article to explain that the internal circuits of the P0 port and the other three ports are different,...[Details]
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In addition to being used for motor driving, PWM (Pulse Width Modulation) is also widely used in power conversion of power supplies such as DC/DC converters and AC/DC converters, and is widely used...[Details]
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According to Jiwei.com, the China Trade Relief Information Network reported that on August 2, 2021, the U.S. International Trade Commission (ITC) issued an announcement stating that it had made a 337...[Details]
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TrueTouch Touch Technology
Cypress Semiconductor's leading TrueTouch touchscreen controllers, CY8CTMA340-XXX-03 and CY8CTMA340-XXX-11, can be used on capacitive touch screens. Thin stylus solut...[Details]
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// stm32 study notes For the library functions of the stm32f10x series chips, the GPIO operation functions are declared in stm32f10x_gpio.h and defined in stm32f10x_gpio.c. The IO port operation step...[Details]
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1. Set obj and src
ifneq ($(OBJTREE),$(SRCTREE))
ifeq ($(CURDIR),$(SRCTREE))
you :=
else
dir := $(subst $(SRCTREE)/,,$(CURDIR))
endif
obj := $(if $(di...[Details]