Shenzhen Ruilongyuan Electronics Co., Ltd. was established in 2009. Since its establishment, it has adhered to the development path of independent brand and independent innovation and created the RUILON brand. The company specializes in the research and development, production and sales of overcurrent and overvoltage protection devices. Its products mainly include ceramic gas discharge tubes, varistors, transient suppression diodes, electrostatic protection devices, lightning arresters, self-recovery fuses, etc. These products are widely used in industrial electronic equipment, communications, power, intelligent robots, medical equipment, automotive electronics, household appliances, green energy and energy conservation and environmental protection. The products have passed CQC, CE, CB, UL, TUV, CNAS certification, and the full range of products has passed ROHS and REACH certification. The company's position in the industry has been widely recognized, and it has successively won the honorary titles of "National High-tech Enterprise", "National Specialized and New Little Giant" Enterprise, "The 20th Shenzhen Famous Brand", "The 75th International Geneva Invention Bronze Award", and "The Second Prize for Scientific and Technological Progress Awarded by the Guangdong Electronic Information Association".
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[i=s]This post was last edited by DDZZ669 on 2020-9-20 15:44[/i]The previous article " 【GD32450I-EVAL】+ 03 Basic usage of library functions - taking key interrupt as an example " introduced the basic ...
1. Regulated power supply
1. 3~25V adjustable voltage stabilization circuit diagram
The adjustable range of this voltage-stabilized power supply is arbitrarily adjusted between 3.5V and 25V, the outpu...
This is a question that many people have and is often asked. The amplifier has two power supply pins +V and -V, which are the positive power supply pin and the negative power supply pin respectively. ...
We need to know that a variable is actually an abstract name for a memory address. In a statically compiled program, all variable names are converted to memory addresses during compilation. The machin...
1. The concept of microcontroller: 2. Purpose of microcontroller: Industrial automation: data collection, measurement and control technology; Intelligent instruments: digital oscilloscopes,...[Details]
How should we understand the peripherals of 51 microcontroller? Do the following experiment. Experiment 1: Experiment with external interrupt 0 Experimental steps: Connect one end of a DuPont cable...[Details]
There are many things to learn about ARM, and interrupts are definitely something that needs to be learned. Since the CPU introduced interrupts, we have truly entered the multi-tasking system and g...[Details]
#!/bin/sh -e
# Script to create header files and links to configure
# U-Boot for a specific board.
#
# Parameters: Target Architecture CPU Board
// Pass in the relevant param...[Details]
Microcontrollers such as 8051 have 21 SFRs, and the addresses are 128 bytes from 80H to 0FFH. SFRs can be directly operated using addressing methods. (Similar to sbit)
In order to directly acc...[Details]
1. Reset
Reset is input through the reset pin RST. The reset must reach a high level for two cycles to reset the system. After reset, the PC pointer is 0000H, so 0000H is the reset vector entr...[Details]
Recently, at the request of a friend, I studied the simulation under QEMU MINI2440. I thought this process was nothing, but I found a lot of problems in this study. I wrote it down to share with yo...[Details]
1. Introduction
The development environment is Ubuntu server 18.04. The nand used in the information I found is 64M, and the board I have is 256M, so the image bin file in the information cann...[Details]
5.1 Introduction CISC: Complex Instruction Set RISC: reduced instruction set 5.1.1 CPU model Complex instruction set and reduced instruction set depend on the N of the controller in the CPU N=11...[Details]
On smart TVs and Internet set-top boxes (TV boxes), the common mainstream remote controls are nothing more than "infrared" and "Bluetooth" remote control methods. "Bluetooth" remote controls have r...[Details]
Recently, I suddenly became interested in microcontrollers, so I bought a development board and followed the video tutorial to learn. Now I will record one of the more important steps, which is the...[Details]
1 Project Overview The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific gravity, keto...[Details]
Conditions for interrupt response: At this point, we still feel amazing about the computer's response to interrupts. We humans can respond to external events because we have a variety of "sensors" - ...[Details]
Most 51 series microcontrollers are equipped with a certain amount of program memory ROM. For example, there is a 4KB mask ROM storage unit in the 80C51 chip, and a 4KB Flash ROM is configured inside...[Details]
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