I have more than 10 years of working experience in electronic solution companies and large factories. I can effectively coordinate and deal with problems in design and production. I am proficient in c...
I wrote a single-document program using VC++. I only know one programming language, C or simple C++, so I can only use this one. I used dialog boxes to write and debug small software before. This time...
In most cases, 24C02 is used to store power-off data. In some situations where cost needs to be considered, the internal EEPROM can also be considered. This program introduces the use of the EEPROM in...
Regarding the number of bits of the microcontroller, the number of bits of the ADC, and the number of bits of the PWM, ADC and PWM are indicators that reflect resolution. So what does the number of bi...
The circuit schematic is shown above. There are several types of input signals, as shown below:
1. Sinusoidal AC signal with frequency f=470KHz and Vpp=19.6V
2. Sinusoidal AC signal with frequency f=3...
Jiwei.com News: In recent years, the rapid development of domestic 5G, Internet of Things, electric vehicles, display panels and other industries has brought huge development opportunities to the ups...[Details]
/In unilateral mode, it is always high level first and then low level, but stm32 can change it*/ void vPwmInit(void){ //First configure the IO to PWM mode PINSEL7&=(~(3 16)); PINSEL7|=(3 16);//PWM...[Details]
As NFC becomes more and more popular, people often ask what are the advantages and disadvantages of QR code and NFC. QR code has been widely popularized with its low price and low threshold, while NF...[Details]
This three-in-one development board has only one button. We have no choice but to use this one button. Learning from the previous UART3 lesson, let's look at the schematic diagram of the development b...[Details]
In addition to being used for motor driving, PWM (Pulse Width Modulation) is also widely used in power conversion of power supplies such as DC/DC converters and AC/DC converters, and is widely used...[Details]
Overview
This chapter uses an analog-to-digital converter (ADC) to sample multiple ADC channel voltages in a polling manner.
DMA sampling has been done before, please see:
http...[Details]
1. Glasses The most famous wearable device at present is Google Glass, which has also been criticized for being conceptual and not widely used. However, Kazuaki Miyamoto, a senior American softwa...[Details]
Indian tech blog MySmartPrice has obtained 3D renders of what it says are standard iPhone 13 models, showing a familiar design but with some notable changes, including a smaller notch and a new diago...[Details]
Input/output impedance of matrix switcher
Input
Impedance of a Matrix Switcher Impedance is the resistance of a circuit or device to AC current. Input impedance is the ...[Details]
1. Determination of STM32 ADC sampling frequency
First look at some information to determine
the clock of the STM32 ADC:
(1) The ADCCLK clock provided by the clock controller is syn...[Details]
The tablet market is hot again. According to a data report released by data agency IDC, global tablet shipments continued to grow steadily in the first quarter of 2021, reaching 39.9 million ...[Details]
Adidas' closure of its smart factory fully demonstrates that the cost of highly intelligent machines is no cheaper than manual labor. After three years of trial, Adidas finally gave up on the smart...[Details]
In the specific testing process, what bandwidth is more appropriate for the oscilloscope?
First, look at the following example.
As can be seen from the above figure, the larger the bandwidth...[Details]
1. Introduction
HART, which stands for Highway Addressable Remote Transducer, is the abbreviation of Highway of Addressable Remote Sensors. It was first developed by Rosemount Corporation...[Details]
Spectrum analyzers are relatively expensive, so when using them, we should choose a relatively stable bed or support surface to avoid accidents such as falls or burns. The spectrum analyzer should ...[Details]
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