-
Spectrum
Light wave: electromagnetic wave with wavelength of 10-106nm
Visible light: wavelength 380-780nm
Ultraviolet: wavelength 10-380nm,
wavelength 300-380nm is called near ultr...[Details]
-
introduction The smart home system consists of a main controller and node modules. The main controller has an RS-485 interface based on ARM LPC2364 and MAX3088, which can connect up to 256 device nod...[Details]
-
According to the above analysis, the soft magnetic materials in electronic transformers are mainly silicon steel in the power frequency and medium frequency ranges, and soft ferrite in the high frequ...[Details]
-
1. Summary
A Wireless Sensor Network (WSN) is a multi-hop self-organizing network system composed of a large number of cheap micro sensor nodes deployed in the monitoring area through wireless...[Details]
-
MAX7219 driver program (LED display chip)
/********************************************************************
* Common symbol definitions
***************************************************...[Details]
-
~The industry's ultra-high withstand voltage of 42V, supporting a wide operating voltage range of 2.7V~38V~ ROHM, a world-renowned semiconductor manufacturer (headquartered in Kyoto, Japan), has...[Details]
-
The first experiment of AVR microcontroller is a C language program for LED flowing lights from left to right. The programming environment is WinAVR, 8MHZ crystal oscillator.
#include avr/io.h //...[Details]
-
As we all know, MSP430 is famous for its ultra-low power consumption. However, many users have reported that in actual applications, when measuring the power consumption of MSP430, the measurement res...[Details]
-
According to foreign media reports, the United Kingdom said on August 19 that the country hopes to widely deploy self-driving cars on its roads by 2025, and announced plans to formulate new laws and...[Details]
-
Introduction
The interest in developing renewable energy sources is growing due to the limited reserves of traditional energy sources such as oil, natural gas and coal and the increasing energy dem...[Details]
-
RTC Real-time Clock The real-time clock (RTC) is an independent BCD timer/counter. The RTC provides a calendar clock, two programmable alarm interrupts, and a periodic programmable wake-up flag with...[Details]
-
1 Introduction The memory of MCS-51 has three spaces: on-chip RAM, off-chip RAM and ROM. MCS-51 microcontroller has four storage spaces in the physical structure 1. On-chip program memory (on-chip ...[Details]
-
At present, there is a lack of long-term reliable use examples in the field of automatic liquid level control in China, and there is no finalized product suitable for liquid level measurement and au...[Details]
-
Basic knowledge of high frequency circuits
Why should we learn about high-frequency circuits?
Electronic circuits can be divided into analog circuits and digital circ...[Details]
-
In casual terms, when it comes to the design of "domain", major domestic and foreign vehicle manufacturers and suppliers are like the Eight Immortals crossing the sea, each showing their own magica...[Details]