Today I used the hardware SPI of STM32L053 to refresh the screen. The system clock is 32M, and the frequency of SPI is 2 times of the clock, so it is 16M, which is quite fast. But unfortunately the fl...
Renesas: The semiconductor industry downturn came early and ended early2004-11-15 HC360 Electronics Industry Channel Executives at Japan's Renesas Technology predict a downturn in the semiconductor i...
[i=s] This post was last edited by dontium on 2015-1-23 11:13 [/i] The out file cannot be output, and the error prompted is symbol referencing errorsCompilation tips:-------------------------- carrier...
Lierda USB MSP430 emulator (LSD-FET430UIF). QQ: ①⑦401④75. Taobao sells it for more than 200. I sell it for 180. It has hardly been used, and all accessories are complete (outer packaging box, host, ca...
I won't say much about the knowledge and skills that a qualified electronic engineer needs to master. You will know after reading it. If it is a good post, please give it a thumbs up! O(∩_∩)O Thank yo...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]