After the second-order low-pass filter and the in-phase proportional amplifier circuit are connected in series, the first-order grounding capacitor is not grounded, but directly connected to the outpu...
In the ARM architecture, it can work in three different states: ARM state, Thumb state and Thumb-2 state, and debug state.
The Embedded System Development and Application Tutorial (2nd Edition) says t...
It is a very thin piece, and its function is similar to that of a solar panel, but it receives infrared light and outputs voltage. Once the infrared light is blocked, the output voltage will become lo...
Use the interrupt function of the GPIO port to identify the short and long keys in the LaunchPad. The short key will light up the red LED, and the long key will light up another LED for about 10ms.
#i...
TI Embedded Live Month: In-depth exploration of new applications of embedded products in industry and automobiles. The fourth session will be live at 10:00 today.Click here to enter the live broadcast...
According to Taiwan media reports, data from the General Administration of Customs of China showed that the mainland imported semiconductors worth 35.9 billion US dollars in March, a record high for a...
This time we are going to make a USB card reader for an SD card. We modified the USB flash drive project simulated by NAND Flash last time, so we only need to modify a small part. Most of the project...[Details]
1. Definition of variables and variable space For 8-bit microcontrollers, the only directly supported variable types are unsigned characters and bits. Pay attention to two principles: First, alwa...[Details]
If you want to use the existing indoor wires for network communication, you will generally use the power line carrier method to transmit data on the strong line. Now, a simpler, cheaper and more reli...[Details]
The Challenge: Develop a flexible test application that drives tens of thousands of micro shutter elements (micro shutters) for millions of cycles while simultaneously logging data, acquiring high-re...[Details]
Has the 4G network slowed down recently? Some people think so, while others don't feel anything. However, there have been rumors online that 4G will be limited in speed in the 5G era, but China...[Details]
Recommended books: Keil Cx51 V7.0 single .. practice ARM7 ARM Embedded System Basics Tutorial Embedded Linux Application Development Manual Windows CE Embedded System Windows CE embedded advanced pro...[Details]
I have written an article about microcontroller pins before. It was very simple. Today, when I saw the microcontroller's operations on reading pins and ports again, I was suddenly very puzzled. I sea...[Details]
Each GPI/O port has two 32-bit configuration registers (GPIOx_CRL, GPIOx_CRH), two 32-bit data registers (GPIOx_IDR and GPIOx_ODR), a 32-bit set/reset register (GPIOx_BSRR), a 16-bit reset registe...[Details]
On July 22, AAC Technologies released an announcement announcing that AAC Technologies' subsidiary, AAC Communications Technology (Changzhou) Co., Ltd. ("AAC Communications", which after reorganizati...[Details]
#include "pwm.h" #include "led.h" ////////////////////////////////////////////////////////////////////////////////// //This program is for learning purposes only and may not be used for any other p...[Details]
In 2018, charging piles and P2P were two "deep pits" in the capital market. Who would have thought that two years later, the new energy vehicle industry is being "cared for" by policies. After being ...[Details]
The multimeter is one of the most important tools. Because it is simple and practical, it can be said that every electrician has at least one. It has a huge number. It can measure continuity, voltage...[Details]
This article takes the popular Samsung S3C2410, openmoko platform and linux-2.6.24 as examples to introduce how to explore the Linux kernel boot process in the ZIX embedded development environment.
T...[Details]
These two instructions can be used to read or write CPSR or SPSR. When you need to save or modify the contents of CPSR or SPSR in the current mode, you must first transfer these contents to the ge...[Details]
Silicon carbide has excellent electrical properties such as high voltage resistance, high temperature resistance, high frequency, and radiation resistance. It breaks through the physical limitation...[Details]
Analog electronics
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