Hello experts, I am a sales worker engaged in wireless communication solutions and products. I have a large number of customer resources in wireless remote control products. Based on the principle of ...
Compare the two-dimensional code recognition solutions of STM32, GD32, and AT32 to provide a reference for developers of two-dimensional code recognition products.Attached is the source code of variou...
(1) ... 1. Voltage regulation rate ≤0.2% (input voltage 220V variation range +15% to -20%, no load to full load) 2. Load regulation rate ≤1% (at the lowest input voltage, full load) 3. Ripple voltage ...
IC Design Category: VLSI Manager Sr.ASIC Design Engineer Sr. Layout Engineer IC Video Process Engineer Sr. Digital Design Engineer Sr. Analog IC Design Engineer Senior RF IC Designer Sr.Validation Eng...
How to add a function in the following program when programming with stm12A5c60s2 chip, convert the collected voltage into digital signal, set the signal range to drive the motor forward and reverse #...
Eleventh, I cleaned up my own junk. It would be a pity to throw it away, but I had no place to put it, so I took out some of it and sold it to buyers and giveaways.I still have a bunch of them left, a...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]