[i=s]This post was last edited by wo4fisher on 2021-9-12 10:55[/i]1. Test environment
5V2A mobile phone charger head, Torch multi-function DC tester, liquid container (measuring cylinder, beverage bot...
I made a board using the circuit shown in the picture, why is the output high voltage when the input signal is not turned on, and the output is correct after the input signal is turned on?...
[b]Clamp Amplifiers[/b] Clamp amplifiers allow the designer to specify high (VCH) and low (VCL) output clamp voltages to clamp the output signal at a specific level. Analog Devices’ unique CLAMPIN inp...
[size=14px]Requirement: [b]Urgent need for power detection equipment[/b][/size] [size=14px][b]Xiaomi TDS test lead USB power detector[/b][/size][color=#000][backcolor=inherit][font="][size=14px][color...
Modern electronic products widely use surface welding technology, which brings inconvenience to maintenance personnel in disassembling components. In particular, disassembling multi-pin chips and plas...
When debugging the SampleApp example in the protocol stack of Z-stack 2007, I found that in the user event initialization function SampleApp_Init, both the coordinator and the terminal were added to g...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[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]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Sensor
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