I made an external event counter using LPC2148. I set it to increment the counter on the falling edge. But when the frequency exceeds 20Hz, the counter value increments by 2 or more each time instead ...
[b]Abstract[/b] This paper introduces an intelligent password lock based on single-chip microcomputer and serial EEPROM, and describes the system hardware design and software implementation in detail....
Is there any expert who has done photoelectric pulse measurement? My graduation project is to do this, but there is a problem during the hardware debugging process. It is urgent. I would like to ask f...
The DM6446 core has three frequencies and three processing speeds; do these speeds correspond to the frequencies? What determines them? How many TVP5146s can be connected at most (the transmission spe...
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
In mobile technology, sensors are the primary input for measured signals and form a component of a sensor system. They include sensitive and transducer elements connected to carriers and circuits. ...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
Core point: The automotive industry chain and the humanoid robot industry have collaborative advantages in hardware, software, and scenarios. Upstream and downstream companies in the automotive ind...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
With the advent of the electric car era, the number of pure electric vehicles has increased significantly, but many car owners do not know how to properly maintain pure electric vehicles. In additi...[Details]
Linear motor modules have become the "sweet spot" in various fields due to their advantages such as long stroke, fast speed, high precision, smooth operation and long life. Different models of line...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
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