In AD, if you want to avoid green paint inside the circle on the top surface of the circuit board, should you draw a solid circle or a ring on the TOPSOLDER layer? As shown in the figure below...
For battery-powered products, if you want to determine whether the GND voltage of the entire board is very stable, that is, similar to the 220V neutral line, which is originally 0V, and some neutral l...
[size=4][color=#252525]An article on the research and design of a digital tire pressure detector using a 430 single-chip microcomputer[/color] [color=#252525]Abstract: In view of the problem that impr...
Long battery life is
a key metric in the
portable
electronics market.
The
LED backlight
drivers
of
LCD
displays
account for 25% to 40% of the total active s...[Details]
According to a report released by IDC, in the second quarter of 2020, the market size of wearable devices increased by 14.1% year-on-year. During the epidemic, consumers' demand for audio wearable de...[Details]
Generally speaking, those who develop embedded products will reserve a UART for Debug debugging in the early stage of the product, which should be the so-called serial port debugging. But often the c...[Details]
0 Introduction
With the acceleration of digitalization, more and more digital products have replaced the original mechanical instruments, thus greatly improving the accuracy of data. However, i...[Details]
Experiment name: Performance test and analysis of fluxgate sensor based on MEMS process flexible substrate This paper mainly builds a fluxgate performance test system. The main test equipment inclu...[Details]
Energy storage systems have been regarded as an important part of the six links of "collection-generation-transmission-distribution-use-storage" in the power production process. After the energy st...[Details]
introduction
At present, small and medium-sized LED display systems on the market generally use traditional single-chip microcomputers as the main control chip. For large-screen LED display scr...[Details]
Today I made a little thing: the digital tube displays the change value of the proximity switch. The proximity switch is connected to the microcontroller through external interrupt 0; the digital tub...[Details]
The general service life of a car battery is 2 years, and if it is well maintained, it can be used for more than 3 years. The length of the service life of a car battery is not only related to the ...[Details]
The figure shows a circuit for increasing the output voltage using a general-purpose I-type F007 operational amplifier. In the circuit shown in the figure, the operational amplifier is connected to t...[Details]
Simulation diagram proteus7.8 and above Program compiler: keil 4/keil 5 Programming language: C language Design number: S0053 1. Main functions: Simulation design of date and time alarm clock sto...[Details]
The magnetic flap level gauge is a very common instrument for measuring the liquid level in tanks and boilers. If the magnetic flap level gauge is only used as a field display, it does not require any...[Details]
8 digital tubes scroll to display the same number 8 digital tubes display multiple different characters 8 digital tubes flash 8 digital tubes scroll to display a string of numbers #include p I...[Details]
To drive more than one high-brightness white LED, designers need to choose whether to connect the LEDs in series or in parallel.
Parallel connection only requires a lower voltage across each ...[Details]
Auto-coupling step-down starting and soft starting are two common motor starting methods. They each have their own advantages and disadvantages and are suitable for different application scenarios....[Details]
stm32/stm8
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