[i=s]This post was last edited by roc2 on 2019-10-29 18:19[/i]Last time, we have learned and shared the operation process of ESP8266 one-key network configuration. Next, we need to understand how ESP8...
The switch IC specification is uploaded. The two resistors connected to the V pin of the TOP switch chip (in the circuit structure of Figure 1) R1 and R2 resistance calculation formula refer to Figure...
[b]TOMU[/b] is an open source, extremely tiny development board with a USB interface. It is only 13mm long, a completely open source development board that uses a silabs Gecko EFM32HG309 processor and...
The company asked me to design a board for testing motors. It is mainly used to test brushless motors and carbon brush motors. It is required to be able to achieve a wide load power supply DC6-220V, w...
[Purpose] In order to demonstrate CAN dual-signal communication, AT32F425 is needed as the receiver to drive the servo to work.
[Idea] In the previous example, CH582 uses Bluetooth to control the serv...
1 Classification of
switching power supplies
Switching power supplies are divided into two types: isolated and non-isolated. Here we mainly talk about the topology of isolated switching power supp...[Details]
External interrupt pin configuration initialization: Take PA0 as an example
1. Peripheral port clock is turned on
RCC->APB2ENR|=1
2. Port is set as input
GPIOA->CRL&=0XFFFFFFF0; //PA0 is set as ...[Details]
On January 16, the 2021 China Semiconductor Investment Alliance Annual Meeting and China IC Billboard Awards Ceremony were held in Beijing. Xiamen Maring Semiconductor Technology Co., Ltd. (hereinaf...[Details]
As the only invention among the four great inventions, the Fuxing high-speed rail has facilitated the lives of thousands of people. As of 2018, the operating mileage of China's high-speed rail networ...[Details]
The solar photovoltaic/photothermal integrated utilization system is a device that combines solar cells (or modules) with solar thermal collectors to generate electricity and provide heat. We also ca...[Details]
The STC microcontroller has the function of programming through the serial port. It is so simple that the program can be burned into the microcontroller through three wires of the serial port 3. This...[Details]
1. general
The following figure is a simplified diagram of the network port structure. The network port consists of three parts: CPU, MAC and PHY. The DMA controller is usually part of the CPU, an...[Details]
Yesterday, we copied 4K data from nand-flash to sdram, and the data was copied from steppingstone to sdram for execution; today, we will copy the data after 4K on nand-flash, so the focus is on the c...[Details]
8V regulator from 5V regulator
If you have trouble setting up an 8V regulator, you can always connect a 5V regulator (they are universal) as shown above instead. ...[Details]
In last week's preview of Defcon, Cheyunjun mentioned that a team from 360 will demonstrate how to deceive, or interfere with, the sensors to make the semi-autonomous driving system on the ca...[Details]
The global chip war has quietly begun, and my country's semiconductor industry has once again been pushed to the forefront. However, this time, the call for domestic substitution and independent cont...[Details]
Alibaba DAMO Academy recently released the world's first "hybrid simulation test platform" for autonomous driving. Officials said it only takes 30 seconds to simulate an extreme scenario, and the sys...[Details]
With the continuous advancement of science and technology and the transformation of the global energy structure, the automotive power system is undergoing unprecedented changes. From traditional fu...[Details]
stm32/stm8
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