Last time, I used the interrupt method to read the key code to improve efficiency, but there was also a small problem. After CH450 scans the key, it will pull down a low-level pulse on the INT pin. My...
2803x and 2806x use CAN communication for online program upgrade. The idea is that the program is divided into boot program and main program. The boot program jumps to the main program. Both programs ...
[align=center][/align] [size=4]Now the country is pushing for new energy vehicles (or electric cars, if you will). In Beijing, gasoline cars can’t get license plates at all, and new energy vehicles ha...
My family member was stabbed twice: once in the head and once in the left hand.At that time, the treatment in the emergency room was as follows:craniocerebral injury;impaired consciousness for 5 hours...
In a world full of uncertainty, technology is driving people forward. The rise of the Internet of Things fully proves this. In the IoT system, a large number of interconnected devices with unique iden...
There is widespread debate in the industry about which
semiconductor
process is best suited for a given application. While some applications are better served by a particular process techno...[Details]
Many people avoid seeing an ophthalmologist because of the high cost and time it takes. Researchers at Stanford University have developed a cheap, portable device that solves these problem...[Details]
The financial report released today (6) by wafer foundry UMC showed that the company's revenue in August reached NT$18.79 billion, setting a new record high, a monthly increase of 2.3% and an annual ...[Details]
With the technological revolution of electrification and intelligence of automobiles, the chassis system has also ushered in a technological transformation from traditional chassis, electric chassis ...[Details]
Toshiba and Fuji Electric will invest a combined 200 billion yen ($1.9 billion) to boost production of energy-saving chips for electric vehicles as governments around the world shift toward electric ...[Details]
Recently, according to the well-known Weibo blogger @数码闲聊站, Xiaomi has tentatively decided to release Xiaomi MIX 4 next month. It is also worth noting that Xiaomi will also release its second 5G mobi...[Details]
1. Circuit design This circuit consists of AT89C51 minimum system, 12864 display module and independent buttons. A game similar to Tetris can be implemented 2. Operation effect 3. Part of the code ...[Details]
In the third quarter of 2021, the domestic new energy vehicle market maintained the hot market in the first half of the year. According to the data from the China Association of Automobile Manufactur...[Details]
By using the timer counting method to distinguish the key press: short press, long press Detect that the pin is pulled low: the key is pressed for low level, and not pressed for high level Delay 10...[Details]
1. Measuring range: 1～1999μΩ 2. Resolution: 1μΩ 3. Test current: DC 100A 4. Measurement accuracy: 0.5%±1d 5. Display mode: Current: three and a half digits LCD Resistor: Three and a half LCD 6. Worki...[Details]
The heat sink in the switching power supply is mainly used in three places: the rectifier bridge, the main
MOSFET
, and the secondary rectifier
diode
.
There are mainly the f...[Details]
In a previous report, Toni Sacconaghi, an analyst at Bernstein, said that Apple's AirPods sales this year reached $6 billion, and it is expected to pre-sell 85 million units in 2020, generating about...[Details]
Abstract:
This paper proposes a design scheme that combines face recognition technology with fingerprint recognition technology for identity authentication in access control systems. Experi...[Details]
According to foreign media reports, Hyundai Mobis, a parts manufacturing subsidiary of South Korea's Hyundai auto group, has developed a new concept braking system that is optimized for high-level au...[Details]
Common defects in NOMEX honeycomb composite materials include debonding of face sheet and core material, face sheet delamination, inclusions in honeycomb core, wrinkles in honeycomb core material, and...[Details]
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