I use mc39i modem, and I found that pin 31/pd always fluctuates between 0.24v and 2.24v. When this pin is 0v, the modem is powered off. I isolated the control end of this pin with 6n137, input 1 to po...
A few days ago, I drove with a few friends to Niubei Mountain in Sichuan (commonly known as Niu B Mountain, experienced Sichuan hikers know it) and was shocked by the super 12 -inch TFT-LCD virtual in...
A few days ago, I was chatting with a classmate who is a teacher at Renmin University, and we talked about the issue of the post-80s generation. She still has a negative attitude towards the post-80s ...
Is there any problem with the BOOST circuit? Why is it protected when the input voltage is a few volts? Even if the voltage source drops to 0V, there is still a current of a few tenths of an ampere. W...
How can I access the register address of the underlying hardware when using .net for development in Windows CE 5.0? For example, the read and write registers of the parallel port, etc. I searched the ...
StartFragmentIOWR_ALTERA_AVALON_TIMER_PERIODL(TIMER1_BASE,100000000); //Assign value first and then start counting, otherwise the count value will be zero IOWR_ALTERA_AVALON_TIMER_PERIODH(TIMER1_BASE,...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[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]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Embedded System
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