-
Dial indicator: A dial indicator is a universal length measuring tool made of a precision rack and pinion mechanism. It is usually composed of a probe, a measuring rod, a shockproof spring, a rack,...[Details]
-
Application and construction of glass tube rotor flowmeter: Glass tube rotor flowmeter is a fluid flowmeter, a glass hollow rotor flowmeter, and one of the commonly used instruments for measuring the...[Details]
-
introduction
LTE (Long Term Evolution) technology is the main direction of the evolution of the third generation of mobile communications. As an advanced technology, the LTE system has great advantag...[Details]
-
Compared with the regular version, the iPhone 13 Pro/Pro Max has more selling points, including a 120Hz refresh rate display, a full-blooded A15 processor, a fully upgraded triple camera, 6GB R...[Details]
-
introduction
AT91FR40162 is a member of the AT91 series of microcontrollers produced by Atmel Corporation of the United States. It has an ARM7TDMI core, large-capacity Flash memory, on-c...[Details]
-
According to foreign media the Hill, on Thursday local time, the U.S. Senate unanimously approved legislation that will ban the use of federal funds to purchase telecommunications equipment from Huaw...[Details]
-
1、 This passage is excerpted from "Detailed Explanation of Device Driver Development" After using the serial port core layer, the interface of the universal serial port tty driver layer, the main...[Details]
-
6.2.8 RTC Clock By setting the RTCSEL bits in the backup domain control register (RCC_BDCR), the RTCCLK clock source can be HSE/128, LSE or LSI clock supply. This selection cannot be change...[Details]
-
A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but requires the minimum number o...[Details]
-
The frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working pow...[Details]
-
In the fourth, fifth and sixth lessons, Pi Ziheng introduced three types of output files (relocatable, map, and exectuable files) generated by compilers/linkers. These three files focus on the dist...[Details]
-
Samsung Galaxy M51 will be launched in India soon and has appeared on the Geekbench database. Geekbench running score information shows that the Samsung Galaxy M51 (codenamed SM-M515F) is e...[Details]
-
1. The statement format of assembly language: label opcode (instruction mnemonic) operand; comment (label) (opcode) (operand) (comment) 2. Common pseudo-instructions a.EQU——Symbol name assignment ps...[Details]
-
In early May, Micron spent $1.2 billion to acquire Numonyx. After the acquisition, Micron became a memory chip giant with DRAM, NAND and NOR technologies. There are rumors that Intel played a drivi...[Details]
-
1.1 SPWM Working Principle A key problem that needs to be solved for voltage-type inverters is how to issue PWM switching signals based on a given reference quantity. Among the three modulation metho...[Details]