I would like to ask the experts to help me look at the circuit I designed. I don't know much about circuits and I am not suitable for this field. But I have no choice but to enter the electronics indu...
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...
The 2019 Hackadayprize China competition is now open for registration. We will introduce the winning works in the past few Hackadayprizes, hoping to inspire you! Hurry up and register for the competi...[Details]
The portable wireless multi-parameter monitor has the characteristics of small size, low price, high stability, low power consumption, etc. It can monitor the patient's physiological parameters s...[Details]
Sina Digital News reported on the morning of February 4 that investment bank JP Morgan Chase (JP Morgan) analyzed that the rumored Apple virtual reality (VR) device may be released in the first...[Details]
Reset the AVR At reset, all I/O registers are set to their initial values and the program starts executing from the reset vector. The instruction at the reset vector must be an absolute jump JMP in...[Details]
Temperature is something everyone is familiar with, but it is difficult to measure accurately. Before the advent of modern electronics, Galileo invented a rudimentary thermometer that could detect tem...[Details]
The ADP1853 of ADI is a wide range input voltage DC/DC synchronous buck controller capable of running from commonly used 3.3 V to 12 V (up to 20 V), voltage tracking input, output voltage 0.6 V to 90%...[Details]
1. Correctly understand DC/DC converters A DC/DC converter is a voltage converter that effectively outputs a fixed voltage after converting the input voltage. DC/DC converters are divided into th...[Details]
By the end of 2019, the auto market is still going through a cold winter. Along with the news of layoffs, there is also a wave of transformation of auto companies. Auto giants and parts manufacture...[Details]
1 Working Principle
More than 80% of the image resources on the Internet today are downloaded in RMVB format, songs are mainly in MP3 and WMA format, and pictures are mainly in JPG format....[Details]
The history of human beings retaining sound began with Edison. In 1877, Edison invented the first phonograph, which allowed human voice to be displayed on other devices for the first time. Do you s...[Details]
In order to reduce the proportion of data transmission time in the entire system processing time index, the data transmission rate should be no less than E1 (2.048Mb/s), and the communication link...[Details]
GLOBALFOUNDRIES today announced the release of an OpenAccess iPDK library optimized for its 22FDX (22nm FD-SOI) platform. With its best-in-class performance, power consumption, and broad functional i...[Details]
Introduction The classic four-resistor differential amplifier seems simple, but its performance in circuits is poor. This article discusses the shortcomings of discrete resistors, filtering, AC c...[Details]
In Part 4, we used TINA SPICE to analyze noise in an operational amplifier (op amp). The same circuits used in the TINA SPICE analysis were also used in the hand analysis example in Part 3, and the re...[Details]
As the name implies, non-contact temperature sensors are sensors that can measure temperature without direct contact with the object being measured. This type of sensor is widely used in industry, ...[Details]