First of all, I would like to thank Eeworld and Anxin for providing the GW1N series development boards. Now, due to the impact of the epidemic and other factors, the shortage of overseas chips and the...
After getting used to single-ended signals, it is still a bit scary to use differential signals. Therefore, some device manufacturers, although the input interface is differential, will indicate the s...
[size=4][color=#000000][backcolor=white]The purpose of restrict is to restrict a pointer's access to a block of memory. To put it more concretely, if a memory area is accessed through a restricted poi...
With the rapid development of in-vehicle connectivity technology, people are now discussing more and more about its security. Automakers are working with relevant partners to develop vari...[Details]
Apple held a press conference on the 10th local time, launching three new iPhone models, a new iPad and a Smart Watch. However, the most surprising thing was not these devices, but the company's pric...[Details]
Principles and advantages and disadvantages of digital oscilloscopes
Digital oscilloscopes are high-performance oscilloscopes made with a series of technologies such as data acquisition, A/D conversi...[Details]
DHT11 is a temperature and humidity sensor with calibrated digital signal output. The accuracy is +-5%RH, the temperature is +-2℃, the range is 20-90%RH, and the temperature is 0~50℃. 1. Circuit co...[Details]
Mode 0 of the four working modes of the serial port is the shift register working mode, which is mainly used to expand parallel I/O and is not used for serial communication. Modes 1 to 3 of the ser...[Details]
1. SPI interface of AVR microcontroller
The SPI (Serial Peripheral INTERFACE) bus system is a synchronous serial peripheral interface that allows the MCU to communicate and exchange data with vario...[Details]
Not long ago, when I was matching a set of audio equipment for a friend who was only used for listening to music, I chose Shengya's SV-221 gallstone hybrid amplifier as the amplifier. I had the opport...[Details]
Nano Dimension Ltd (NASDAQ, TASE:NNDM), the world's leading provider of 3D additive manufacturing for electronics, today announced that it has created the world's first fully functional 3D printed co...[Details]
1. How to detect the quality of AC three-phase motor? 1. Use a megohmmeter (a 500V megohmmeter will do). If the insulation resistance of the wires on the three terminals to the motor housing is above...[Details]
In 2020, the earth caught a "cold" and the whole world caught a fever. Now the ripples of industrial shocks caused by the COVID-19 pandemic have once again spread to the automotive industry, and this...[Details]
This article records the experience of learning and using the Ethernet controller of LPC1768. The network card chip takes DP83848C as an example. The Ethernet controller (EMAC) in the main chip is lo...[Details]
The Financial Times recently published an article by Tom Tugendhat, a member of the British Conservative Party and the British Foreign Affairs Committee. The article believes that the British governm...[Details]
Serial port related register configuration The registers related to the 51 microcontroller serial port are SBUF, SCON, PCON, and registers related to timer 1 (T1). SBUF: Serial port buffer register...[Details]
As the "heart" of the circuit system, the importance of power supply is obvious. When selecting a power module, in addition to considering performance characteristics such as input voltage range, rat...[Details]
Oscillator
, circuit parameters are shown in Figure 255. According to actual measurements, the main electrical performance indicators are the same as t...[Details]