A low frequency card T5577 and its card reader, as shown belowNow I have two problems
1. When the card is placed against the card reader, the operation direction must be swiped horizontally from right...
I want to make a completely open source charger. Open source hardware and code. Leave questions for everyone to solve together.Xianming: My skills are average, and there are many experts here. Please ...
The C2000 microprocessor with C28x+FPU architecture adds some registers and instructions to the original C28x fixed-point CPU to support IEEE single-precision floating-point operations. For programs w...
As the domestic epidemic situation stabilizes, I believe that many netizens have had a pleasant "face-to-face" meeting with EEWorld partners in Shenzhen and Shanghai in September.
Are Beijing netizens...
This design uses
a single-chip microcomputer
as the main control component, presets the output current value through the keyboard and uses a liquid crystal module for real-time display. The entir...[Details]
Samsung released the world's first foldable phone, Galaxy Fold, in February this year and expected it to be launched globally in late April. However, due to the controversy over screen defects, Samsu...[Details]
The first type: finger-type electroplating
It is often necessary to plate rare metals on the edge connector, the edge protruding contacts or the gold fingers to provide lower contact re...[Details]
On February 23, sodium-ion batteries entered the fast lane in the field of new energy vehicle applications. At the "Second National Sodium Battery Symposium", the industry's first sodium-ion battery ...[Details]
China Energy Storage Network News:
Since the beginning of the 2016 heating season, eight "Lipman" air source heat pumps and cloud photovoltaic heating operation platforms independently develo...[Details]
Today, with the continuous development of information and communication, the progress of human society and the rapid development of science and technology, as well as the continuous improvement of ...[Details]
In a way, its low margins make it more profitable. Amazon skeptics have long repeated a common refrain: The e-commerce giant isn’t making money, the razor-thin profit margins it uses to crush compe...[Details]
Chinese batteries are under siege by Europe and the United States. On the other hand, the United States released guidance on foreign sensitive entities under the Inflation Reduction Act. Starting i...[Details]
On October 28, the price of photovoltaic inverters has not changed in the past month: the photovoltaic inverter (2000W+) was quoted at US$0.13/W that week.
Photovoltaic inverter industry...[Details]
The power supply of outdoor square dance pull-rod speakers has always been mainly lead-acid batteries, with an output voltage of 9.5V-14.6V. The direct-supply audio amplifier chip can output 20W/chan...[Details]
In early 2009, many domestic and foreign media reported that the EU was going to ban the sale of plasma TVs. Paul Gray, head of the European Television Industry Research Association, denied this, ...[Details]
As efficiency and power continue to improve, laser diodes will continue to replace traditional technologies, changing the way existing things are processed while giving rise to new things. The...[Details]
Glass rotor flowmeter is a variable area flowmeter, which is mainly composed of a vertical glass cone tube that expands from bottom to top and a float that can move up and down with the flow rate. Be...[Details]
According to foreign media reports, car manufacturer Jaguar Land Rover (JLR) has applied for a patent to the World Intellectual Property Office, which mainly discusses conveying various information...[Details]
stm32/stm8
京公网安备 11010802033920号
EEWORLD
