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".
The world's largest sporting event was delayed 34 minutes due to a power outage. The delay was caused by older lighting technology that required a cool-down period before it could be used again and a ...
I am very lucky to be able to participate. Thank you Electronic Engineering World for the opportunity and Professor Zhang Jindong for providing the development board. It is said that I participated in...
The C2000 Piccolo series MCU chips generally integrate 1-2 hardware SCI (UART). Sometimes, due to cost or layout area considerations, only small packages or models with less resources can be selected,...
I just received the board over the weekend. Thanks to EEWORLD and ST.I won't say much about the board. It's as impressive as ever. I just started using CUBEMX. The first step after getting the board i...
Burn the project in the nRF5_SDK_15.2.0_9412b96\examplesfcecord_text folder to 52840 and read it through NXP's pn532:The data of the NFC block is shown in the red line: Hello World![code]static ret_co...
In C++, there is also such a switch, that is, the switch statement. It can simply describe the situation of multiple forks. The specific syntax format is:
switch (expression)
{
case constant ex...[Details]
1. STM8 memory space allocation First, let's check the CPU memory space allocation in the official manual of STM8L15x: Except for the part reserved by the system, we don't actually use much memory...[Details]
;============================================ ; filename: external interrupt .asm ; chip : csu1181b ; author : ; date : 2012-08-14 ;This example code can be downloaded from here http://www.51hei.com/...[Details]
//Introduction to IIC silent mode: When upgrading the original car screen of a capacitive touch screen, it is necessary to read the touch data of IIC throughout the process and cannot affect the data...[Details]
1. The first byte sent by the serial port is lost Problem code void USART1_SendBuf(uint8_t *pbuf, uint8_t len) { for( uint8_t i = 0 ; i len ; i++ ) { /* Write a byte to USART...[Details]
The microcontroller source program is as follows: /**************************************************************** File name: Main.c Function description: Main program *****************************...[Details]
Circuit Diagram:
This program has been produced through software simulation and hardware, and
was first released at: www.51hei.com . The code can be modified at will, but cannot be used for co...[Details]
In practical applications, it is often necessary to save or read some data during program execution. This data often changes during work and cannot be lost after power failure, so it needs to be stor...[Details]
Achieving the absolute longest battery life with the lowest power consumption is a common design requirement for many deeply embedded applications. In this article, we will discuss a microcontroller ...[Details]
Devices usually provide a set of registers for controlling devices, reading and writing devices, and obtaining device status, namely control registers, data registers, and status registers. These reg...[Details]
Main program:
/****************************************************************************
* File: main.c
* Function: Use external interrupt 1 to control the LED. Whenever there is an interru...[Details]
Preface A customer used the STM32F427 chip , and the program placed the CSTACK in the CCM RAM. As a result, the boards tested for a period of time did not run normally. This phenomenon made us wonder...[Details]
1System hardware design
The system structure is shown in Figure 1. It uses AT89C55 and AT89C51, the 51 series single-chip computers produced by ATMEL Company, as the core. The host computer uses AT...[Details]
Microcontroller MCU
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