The chip model we used is MSP430FR5949IDAR, and the programming software is IAR. The text file generated by IAR is burned into the FRAM of the chip. After the device was running for about a month, it ...
1. Two types of collisions in RFID systems
Multi-tag collision (*)Multiple tags are in the field of the reader. When two or more tags send data at the same time, communication conflicts and data inter...
The following code implements the two LEDs of the MSP430G2553 microcontroller to flash alternately#include msp430.h/*** main.c*/int main(void){WDTCTL = WDTPW | WDTHOLD; // stop watchdog timerP1DIR|=BI...
I feel very good after getting this board. I think it should be the best domestic development board I have ever used.
The board is small in size and compact in design, and can basically meet the commo...
As a hardware RD engineer, I believe you are familiar with constant current circuits. This article introduces the schematics of three constant current circuits.
Transistor constant current circuitTran...
ADXL345 is a 3-axis, digital output accelerometer from ADI. ADXL345 is a 3-axis, digital output accelerometer based on iMEMS technology launched by . The features of this accelerometer are: High re...[Details]
LED indoor lighting and application technology are advancing by leaps and bounds. Indoor lighting is undoubtedly a huge market with undoubted market prospects. It is believed that it will occupy a ...[Details]
Friends who have been playing with microcontrollers for a long time know that program running bugs are inevitable, and the repetitive debugging process is always painful. If you are not very familiar...[Details]
Q: Is it possible to generate a spectrum of all frequencies simultaneously? A: Noise in a circuit is usually harmful, and any good circuit should output as little noise as possible. However, in so...[Details]
Time may be too important for a system. It is the basis for system timing task processing, measurement, signal capture, and event recording. When the phone is turned on, the system will read the time...[Details]
Recently, State Grid Corporation of China issued a notice on the key tasks of equipment management in 2020. In order to conscientiously implement the decisions and deployments of the company's part...[Details]
This article briefly introduces the definition, classification and implementation methods of video transcoding technology, and focuses on analyzing how to use transcoding technology in video engine...[Details]
According to foreign media reports, the PlayStation 5 exclusive game "Returnal" being developed by Housemarque has been postponed. As confirmed today on Twitter, the third-person shooter will be re...[Details]
On May 28, State Grid Corporation of China held a conference to study and implement General Secretary Xi Jinping’s important expositions on scientific and technological innovation and the company’s...[Details]
The open circuit of the inverter brake resistor will affect the braking of the driven mechanical load of the inverter. Because the brake resistor is open, the electric energy loaded on both ends of...[Details]
1. Structural features of the detector
The detector uses a single-chip microcomputer to control a reflective infrared sensor to detect the position of the driver's head. By detecting the re...[Details]
The arrangement of LEDs and the specification of the LED light source determine the basic driver requirements. The main function of the LED driver is to limit the current flowing through the L...[Details]
Common rearview mirrors always have some blind spots in the visual area, which poses some safety hazards to the vehicle. This set of
Car
Rearview System
is composed of two parts, cameras i...[Details]
It is rare to see information about how to send a frame of data in an interrupt mode. If you send a data frame in a waiting mode, it will waste time for a high-speed microcontroller. The following is...[Details]
According to foreign media reports, Google recently submitted a patent application through its subsidiary Waymo, which aims to detect improper driver operation and allow the car's autonomous drivin...[Details]