[i=s]This post was last edited by hujj on 2020-12-23 16:30[/i]After the LCD display driver is completed, the DS1307 calendar module is driven. This module uses I2C communication. I used the CLK and DI...
Power supply topology: PSR. Control mode: PSM. Switch chip: LNK3604D.Input 220VAC, output not fully loaded.1. How to determine whether the power supply is stable?2. Can the error in transformer manufa...
I would like to ask about the design/sample making of high-frequency transformers. If I provide the parameters in the figure to the manufacturer, there should be no problem in making this kind of tran...
In the global energy-saving car competition Shell Eco-Marathon, hundreds of student teams compete every year with their self-developed energy-saving cars. They do not race, but challenge to complete t...
At present, the market is mainly dominated by LED luminous characters, because every word of the lamp shell is installed with LED light source, and LED light source cannot be filled with water to make...
1. Introduction
Modern automobile test systems are complex and large. In a single station, there are often dozens of parameters that need to be tested and controlled. The detection of the thr...[Details]
Beijing time, April 23, Intel Corporation (NASDAQ: INTC) today released its first quarter financial report for fiscal year 2021 ending March 27. The financial report shows that according to US Gener...[Details]
Apple's suite of accessibility features in iOS 14, including social distancing, sign language, and voice recognition, has won an FCC award. The FCC's 11th Annual Chairman's Awards for Advance...[Details]
SUNNYVALE, Calif., Dec. 22, 2010 – Maxim Integrated Products, Inc. (NASDAQ: MXIM) announces the MAX2667/MAX2669, the latest expansion of its GPS/GNSS low-noise amplifier (LNA) family. Designed using ...[Details]
In the previous lesson Source Files (.c/.h/.s), Pi Ziheng systematically introduced source files to everyone. Source files are typical input files in embedded projects. So are there other types of ...[Details]
Last week, I was talking with a friend about DM-i batteries. When it comes to the DM-i that has been delivered so far, a large number of users choose the 110km version, which is much more than the 50...[Details]
When the 8848 became the butt of laughter and Rittal disappeared, and when the luxury mobile phone was the iPhone with a diamond-encrusted solid gold casing, we couldn't help but think about the ques...[Details]
1. Use Pioneer Pulse Data Acquisition Simulation Program to test the implementation board.
The signal of the test pin is: the period is 2.4S and the high level time is 0.3s.
When setting AD: P...[Details]
1 Introduction With the rapid development of power electronics technology, power electronic equipment is increasingly closely related to people's work and life, and electronic equipment cannot do ...[Details]
Basic parts of atomic absorption spectrophotometer
An atomic absorption spectrophotometer generally consists of four parts, namely, a light source (monochromatic sharp-line radiation source), a s...[Details]
Nordic Semiconductor has announced that its “Nordic Thingy:91” cellular Internet of Things (IoT) prototyping platform has been selected as the winner of the Technology Innovation Award at the 2020 C...[Details]
The transformer ratio tester is a new generation of intelligent ratio tester that uses a single-chip microcomputer as the core for measurement, calculation and automatic control. It has a full Chine...[Details]
As an overcurrent protection component, PPTC resettable fuse has significant advantages and its effect is similar to that of a switching element. In the field of automotive applications, PPTC can n...[Details]
Recently, at the Capital Markets Day 2020 MDG Department Summit held by STMicroelectronics, STMicroelectronics CEO Jean-Marc Chery introduced various information including STMicroelectronics' current...[Details]
Flowing water lamp experimental circuit diagram
1. Control the on and off of one or more lights
Assembly Implementation
;Notes
LOOP:
;SETB P1.1 ;(1) Turn off the light
MOV P1,#0FFH...[Details]