Give someone a rose, and you will have the fragrance on your hands! A good post, on the one hand, is a summary and induction of your own knowledge; on the other hand, it can also inspire others, stimu...
I want to buy an ARM7 S3C44B0 development board, but I don't know which one has a better price/performance ratio, and provides more information on peripheral modules. Companies like Tianqian and Feili...
After the USB is inserted into the device, I want to use the application to decide whether to [PC recognize, charge] 1. When the user chooses PC recognition, both NAND and SD cards can be recognized b...
Hello! I use MATLAB to generate a sine wave sequence with a frequency of 2000Hz. On the M4, it is transmitted to an external DAC via the I2C protocol. How do I consider this frequency? How can I ensur...
Hello everyone, I have recently developed a project on WINCE. The amount of data is not very large. In terms of database, I used the system's built-in database CEDB. Due to project requirements, I now...
[i=s] This post was last edited by szypf2011 on 2017-12-27 10:52 [/i] [align=left][font=华文细黑] [/font][font=黑体][size=4] As embedded products become faster and faster, power consumption has gradually be...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Suggestions & Announcements
京公网安备 11010802033920号
EEWORLD
