Today, I used L7805CV and L7905CV to make a positive and negative 5V power supply. The positive output was 5.01V and the negative output was negative 6.26V, not around negative 5V. At first, I thought...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:51[/i] The basic requirements for making a low-frequency signal analyzer are to complete the following parameter tests under the conditions o...
[font=宋体][size=5]Use TI's chip to design an LED, requiring AC power supply, voltage range between 100V~240V, and light output of 200 lumens. The first step is to select LED design, enter the requireme...
Infrared distance refers to the distance that infrared light reaches, ranging from a few meters to hundreds of meters, or even several kilometers. The nighttime visible distance is the maximum clear a...
EtherCAT (Ethernet for Control Automation Technology) is a real-time industrial fieldbus communication protocol based on an Ethernet-based development framework. EtherCAT is one of the fastest indu...[Details]
According to Nikkei, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]
Tiantai Robot's official Weibo account announced on the evening of August 20 that Tiantai Robot Co., Ltd., together with strategic partners including Shandong Future Robot Technology Co., Ltd., Sha...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
High-definition media consumption is experiencing a dual growth: an increase in the number of consumers and a transition to higher-definition content. This growth is driven by increasingly widespre...[Details]
0 Introduction
Portable terminals integrate a computer and display screen into a single device. Due to limited space in portable devices, previous designs often used a single-chip microcompute...[Details]
The transition to SDVs (software-defined vehicles) involves more than just replacing parts; rather, it involves the organic connection of various elements, from internal vehicle systems to ext...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
In this era of transition, traditional fuel vehicles and new energy vehicles are at odds with each other. Many people say new energy vehicles are too complicated. While pure electric vehicles are f...[Details]
System Principle
According to the average imbalance rate of the branch three-phase phase line load and the average value of the branch phase line current, the adjustment of the phase line load...[Details]
On August 9th, at the 2025 World Robotics Conference (WRC), Shenzhen Cyborg Robotics Co., Ltd. officially unveiled the Cyborg-H01, the world's first lightweight bionic dexterous hand. This core com...[Details]
In recent years, portable electronic devices such as mobile phones, digital cameras, music players, tablets, ultrabooks, and laptops have become almost a necessity, raising safety concerns. Besides...[Details]
Preface
The open-source DeepSeek R1 model's innovative architecture, including a multi-head latent attention mechanism (MLA) and a large, sparse mixture of experts (MoE) model, significant...[Details]
China's tightening control over rare earth elements (REEs) is reshaping global supply chains and triggering ripple effects across high-tech industries, according to a detailed analysis released by ...[Details]
On August 15, vivo officially announced that the "digital car key" function of its OriginOS system is compatible with SAIC MG.
Image source: OriginOS original system Weibo
...[Details]
Power technology
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