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#include "at89x51.h" #define uchar unsigned char #define uint unsinged int sbit speaker = P1^5; //Buzzer. The default pin for the button is P3.2 (external interrupt 0) uchar t0h,t0l,time,flag; //--...[Details]
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1 Introduction
At present, avalanche photodiode (APD) is a highly sensitive optical detection device that can accurately receive data and measure optical power and is widely used in optical fiber s...[Details]
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Steam flow meter is a special instrument for measuring the cumulative mass flow of steam. It is suitable for measuring high-temperature and high-pressure steam, boiler outlet, superheated steam or sa...[Details]
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April 3, 2024 –
Mouser Electronics, a leading New Product Introduction (NPI) distributor™ focused on driving industry innovation, is keeping up with the times and helping engineers explore the ...[Details]
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Many sensors that measure real-world phenomena express their output in the form of changing resistance: a thermistor is a temperature-sensitive resistor, a strain gauge changes resistance in r...[Details]
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ROHM announces the release of the new compact, high-precision air pressure sensor IC BM1390GLV (-Z) with IPX8 waterproof rating, making it ideal for home appliances, industrial equipment, and compa...[Details]
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In response to the US ban, Huawei is accelerating the construction of its own supply chain and wooing Taiwanese semiconductor manufacturers to break through. Siliconware Precision Industries, a subsi...[Details]
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As an important type of spread spectrum communication system, the frequency hopping communication system has been widely used in the military and civilian communication fields for its excellent anti-...[Details]
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As we all know, the drone industry is a money-burning industry. The concept is good, people are interested in the story, and the application scenarios are broad, but whether the income can support re...[Details]
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1 Introduction
In recent years, with the rapid development of semiconductor process technology and design methods, the design of system-on-chip (SOC) has been developed rapidly, which has ...[Details]
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Recently, realme released a 4K TV equipped with a SLED screen overseas, which is also the world's first SLED 4K smart TV. It is reported that the SLED screen uses a new backlight solution. Conventi...[Details]
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introduction
Centrifuges are widely used in the separation of A-sugar paste in the sugar industry, and are also suitable for the solid-liquid separation of B-sugar paste, glucose paste, vitami...[Details]
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Next, we will take the LED water flow lamp as an example to demonstrate the timing function. The time interval of the water flow is precisely controlled by the timer. (For those who want to take a de...[Details]
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This article will explain in detail the concept of embedded, the similarities and differences between embedded development, and how to make choices for programmers who are about to enter embedded deve...[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]
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