It seems like earthquakes are happening everywhere. Sichuan just experienced a magnitude 6 earthquake, and Japan was hit by an earthquake and tsunami. The loudspeaker warning during the Sichuan earthq...
The potential of FPGA is huge. Apart from GPU and high-end CPU, there are probably not many chips that can achieve 1080P at such a low cost in embedded applications. Of course, the refresh of the scre...
My crystal is 11.0592MHz, using UART2, I modified the example under Keil. I changed #define _Main_Crystal 25000 to #define _Main_Crystal 11059 in 91x_CONF.H, but found that the serial port output rate...
[align=center][b][GD32E231 DIY Contest] 06. Automatic Fish Feeding Robot - ADC/DMA/TIMER0/Serial Port [/b][/align] [align=left][b]Here, a photoresistor is used to monitor the light intensity around th...
I have a problem. I can debug the program with CK100+TKS and download the program with ISP. I cannot download or debug the program with MDK+JLINK. I can download the program with J-FLASH ARM! But it d...
At present, I have preliminarily transplanted ucos_ii to atmega16, created several small tasks, and they can run. I have tried the core service and they are all successful. I have just established a Q...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]