On March 19, *ST Yingfang released its 2019 annual report, stating that the company achieved operating income of 4.1296 million yuan, a decrease of 95.97% from the same period last year; and achieved...[Details]
#include
sbit k1=P3^0; //p30 is defined as the first button
sbit k2=P3^1; //p31 is defined as the second button
char tab ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x02,0xf8,0x00,0x10};
vo...[Details]
According to People's Daily Online, on May 18, Provincial Party Secretary Hu Heping and Governor Liu Guozhong met with Samsung Electronics Vice Chairman Lee Jae-yong in Xi'an, along with Provincial P...[Details]
Yunliwuli MG5 outdoor mobile LTE gateway uses nRF9160 SiP and nRF52840 SoC to receive and manage low-power Bluetooth data, and transmit the data directly to the cloud to support more efficient logist...[Details]
7. Page switching submodule 7.1 Page switching submodule function Switch pages according to the page number passed in by the upper module. In the NE2000 register of RTL8019AS, the user can switch pag...[Details]
At the Intel Information Technology Summit (IDF) held on September 10, new CEO Brian Krzanich and President Renee James stood on the stage one after the other to introduce Intel's latest products. Fr...[Details]
System functions Use STM8's I2C to communicate with PCF8574, and use LED to make simple instructions! (PCF8574 is an I2C and parallel port conversion chip) hardware design This design uses the ...[Details]
Switching diode principle Switching diode is a kind of semiconductor diode, which is specially designed and manufactured for "on" and "off" in the circuit. It takes less time than ordinary diodes t...[Details]
Chongqing Zongshen Power Machinery Co., Ltd. (hereinafter referred to as "Zongshen Power") issued an announcement stating that in order to accelerate the company's strategic transformation and upgrad...[Details]
I have been learning STM8S for a while, but I still don't quite understand its startup process. As we all know, when all embedded CPUs start up, there should be a Bootloader program, which is general...[Details]
I don’t know how to use a multimeter to identify the quality of capacitors, especially those that exceed the range of the multimeter. Today I will tell you how to use a multimeter to identify the qua...[Details]
At present, domestic commercial vehicles generally use the J1939 communication protocol to construct the CAN communication network. When a CAN bus fails, how to efficiently find the cause of the fa...[Details]
This article introduces the development process of the integrated DC insulation detection device tester, which can verify the set parameters of the DC insulation detection device of the substation, e...[Details]
Using core as its wings to promote the Internet of Things, Core Wing Information completed 300 million yuan in Series C financing Recently, Cellular Internet of Things intelligent terminal system S...[Details]
1 Introduction
As we all know, the current-mode control chip retains the output voltage feedback part of the voltage-mode chip and adds a feedback link: comparing the current signal VS with th...[Details]
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