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After the webusb function, circuitpython now starts the WebBluetooth function. It seems that only a browser is needed for future development.You need a chrome browser and turn on the following two fun...
For the simple driving circuit below, the customer requires that the rising edge of the pulse must be steep, and the delay from 0 to 5V is about 10uS. Now the board has been made, and the delay of the...
This is written by an old rookie with many years of experience. It is all plain language (the truth). It may not be right or biased, but it is definitely worth reading for rookies. You will find that ...
R329 development board performance testContinuing from the previous article https://en.eeworld.com/bbs/thread-1178588-1-1.html, after turning on the board and entering the system with the new username...
1.2 Software ResourcesThis demo takes AT32F403A as an example, and the BSP version is AT32F4xx_StdPeriph_Lib_V1.1.7.CH2 of TMR3 is used as the input capture channel to capture the frequency of the ext...
Two questions: 1. The waveform of the electrochemical test paper reaction is often instantaneous, and it may disappear after a few hundred us. How to capture such instantaneous waveforms with an oscil...
Multimeters are indispensable measuring instruments in power electronics and other departments. They are generally used to measure voltage, current and resistance. Multimeters are divided into point...[Details]
The partnership builds on Imagination’s RISC-V teaching curriculum, which adds new exercises and enhances existing material London, UK, 9 September 2021 – Imagination Technologies has announced a f...[Details]
The limiting average filtering method is equivalent to the "limiting filtering method" + "recursive average filtering method". Each time the new data is sampled, it is first limited and then sent to ...[Details]
void Main()
{
while(1)
{
Speak1 = 0;
Delay_xMs(50000);
Speak1 =1;
Delay_xMs(50000);
}
}
I wanted to control the light to flash, but it turned out to be always on. I thought ther...[Details]
1. Introduction With the rapid development of the communications and radio and television industries, the requirements for accurate measurement of RF power are getting higher and higher, especially f...[Details]
In order to reduce size and weight, switching converters with switching frequencies higher than the mains operating frequency appeared in the 1960s . Initially, the operating frequency of switching...[Details]
By Don Corey, Technical Team Lead, Maxim Integrated
Some portable applications need to be powered by an external +5V wall adapter and require a +5V system voltage in battery backup mode. This desig...[Details]
As the technology of autonomous driving is advancing rapidly, many image capture and safety controls of vehicles rely on sensors, but many organizations point out that sensors cannot meet safety requ...[Details]
introduction
At present, desktop electronic scales are widely used in commercial trade, but they have great limitations: large size, high cost, need for industrial frequency AC power supply, in...[Details]
1. When plugging and unplugging the power frequently, the PIC microcontroller is prone to crash. Use a 10K resistor and connect the 5V output of the LM7805 to the ground. 2. The capacitance of the ...[Details]
The combustible gas measuring instrument is a kind of detection equipment widely used in many flammable and explosive places such as petrochemical, natural gas, mines, metallurgy, oil depots, etc. The...[Details]
The common method for judging whether the vacuum degree of vacuum tube is deteriorated is the power frequency withstand voltage method. This method can only judge the arc chamber with serious vacuum ...[Details]
Electrolyte analyzers can measure the potassium (K), sodium (Na), chloride (C1), calcium (Ca), pH value, etc. in biological specimens such as serum, plasma, whole blood, and diluted urine, and provid...[Details]
The source program is mainly written with these basic instructions to achieve your control tasks. However, in order to increase the readability and maintainability of the source program, we introdu...[Details]
Under the same output
power
,
the
driving
current
required by
high-voltage
LEDs
is much lower than that of low-voltage LEDs. For
example, the high-voltage
blue light
1W LED
of
J...[Details]
MicroPython Open Source section
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