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The schematic diagram is as follows: The source code is as follows: #include reg52.h #include intrins.h #include"define.h" #include"delay.h" #include"LCD1602.h" #include"DS18B20.h" #include"HL_a...[Details]
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The electronic clock program made by 51 single-chip microcomputer has been introduced in many places. For single-chip microcomputer learners, this program is basically a threshold. If you master the ...[Details]
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illustrate:
1. This document is based on Linux 2.6.32 and has been tested on TQ2440.
2. arm-linux-gcc version
Thread model: posix
gcc version 4.3.3 (Sourcery G++ Lite 2009q1-203)
...[Details]
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1 Overcurrent Overcurrent is the most frequent inverter alarm phenomenon. 1.1 Phenomenon (1) When restarting, the circuit breaker trips as soon as the speed increases. This is a very serious overcur...[Details]
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According to the AT24cxx manual, you can get the address information, and you also need to check the schematic diagram of the 2440 to see which pins A0, A1, and A2 are connected to. Since AT24cxx i...[Details]
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On October 29, Tongfu Microelectronics disclosed its third-quarter report, achieving total operating revenue of 11.204 billion yuan in the first three quarters of 2021, a year-on-year increase of 51%...[Details]
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1 Introduction
Digital power amplifiers are increasingly used in real life due to their high efficiency and easy connection with digital audio sources. It mainly consists of two parts. Figure 1 is ...[Details]
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On November 23, OPPO launched the flagship imaging smartphones OPPO Reno 11 and OPPO Reno 11 Pro series at a new product launch conference. Equipped with BOE flexible OLED screens, they have been...[Details]
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Marvell announced that they are close to acquiring Aquantia, a leading company in the networking field. The acquisition will enable Marvell to significantly enhance its networking capabilities. They ...[Details]
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Nowadays, since
switching power supplies
can generate electromagnetic waves that affect the
normal operation of
electronic
products, correct
power supply
PCB layout tech...[Details]
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BOE makes a strong appearance at ICDT 2023, innovative technology leads the new future of the display industry From April 1st to 3rd, the 2023 International Display Technology Conference (ICDT 202...[Details]
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In order to maintain strict hysteresis current control when designing an LED constant current source, the inductor must be large enough to ensure that energy can be supplied to the load during the H...[Details]
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Avnet's MaaXBoard single-board computer is ideal for industrial automation, IoT, AI and multimedia applications. Avnet has launched a low-cost, production-ready MaaXBoard to provide customers with s...[Details]
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Fully automatic replacement of car batteries, 90 seconds to fully charge the vehicle, and the driver can enjoy the ultra-fast battery replacement experience without getting off the car... Recently, Li...[Details]
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In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]
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