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Before we start to talk about the definition of the special register (SPR) in the C51 microcontroller, let's first briefly introduce the two keywords "sbit" and "sfr" that we often see when developing...[Details]
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introduction "The Twist" refers to the twisted pair cable, which was patented by Alexander Graham Bell in 1881. The technology is still used today because it provides many conveniences. In addition, ...[Details]
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Although there is very little information leaked, the release of Nokia 4.3 seems to be imminent. Foreign media 91mobiles obtained the CAD renderings of Nokia 4.3, revealing the appearance design of t...[Details]
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iFixit recently disassembled the 2023 Apple MacBook Pro and tested Apple's official repair guide. The teardown of the new MacBook Pro itself didn't reveal too many surprises. Aside from the M2 P...[Details]
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As we all know, there are many detection principles for gas detectors. There are three main types of VOCs. As one of the two major categories of gases (toxic and harmful and flammable and explosi...[Details]
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Bloomberg News analysts pointed out that Asian IC design companies and foundries may face stronger headwinds in the second half of the year, mainly because the non-Apple mobile phone market is still ...[Details]
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Direct access in user mode, use the driver dev-interface provided by the kernel . Note that do not use the read() and write() functions directly, but use i2c_smbus_write_word_data and i2c_smbus_r...[Details]
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1 Overview Fire, as a major enemy that endangers human survival, has received more and more attention from people. Designing a fire automatic alarm and fire fighting system with high reliability and ...[Details]
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Boost converter circuit using MAX631
The sound converter composed of MAX631 can increase the +3V battery voltage to +5V, the output current is 40MA, and the change efficiency reaches 75%. ...[Details]
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Realme is preparing to release the Realme GT 5G globally on June 15, but Realme may be developing the Realme 9 series. It will serve as the successor to the Realme 8 series earlier this year. R...[Details]
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Introduction: Neusoft Carrier Microelectronics Co., Ltd., formerly an integrated circuit company under Haier , is now merged by Neusoft Carrier. It has many mature microcontrollers and industry appl...[Details]
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Using chip AT Mega16 external crystal oscillator 4.00MHz
Timer 1 (16-bit timer) register TCCR1B = 0x04 Set 256 prescaler
To use the timer for 1 second
1, 4000000 / 256 = 15625 means the timer w...[Details]
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The pH meter, referred to as an acidimeter, consists of two parts: an electrode and an electric meter. It is a commonly used instrument and equipment. It consists of three parts: a reference electrod...[Details]
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Switching power supply circuit composed of UC3842
Figure 2 is a switching power supply circuit composed of UC3842. The 220V mains power is filtered by C1
and
L1
to
remove elec...[Details]
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ON Semiconductor has announced a new generation of silicon and silicon carbide hybrid power integrated modules (PIMs) in the F5BP package, ideal for increasing the power of large solar string inver...[Details]
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