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Adjustable switching power supply circuit composed of L4970A
The circuit in the figure uses a -5V auxiliary power supply to expand the continuous adjustment range of low voltage...[Details]
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Switching power supplies are often used in our systems, mainly to obtain a DC power supply of a certain power (mostly 24V). The switching power supplies we often see mostly look like a small main b...[Details]
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Apple phone users should all know that iCloud accounts can store some private information such as contacts, messages, memos, photos, etc. synchronously with all Apple devices logged into the ac...[Details]
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Use P1.0-P1.3 of AT89S51 microcontroller to connect four light-emitting diodes L1-L4 to indicate the current count data; use P1.4-P1.7 as the input end of preset data, connect four toggle switches ...[Details]
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Arm will work with Unity Technologies to ensure that 3D applications, such as games and entertainment, run smoothly on hardware using Arm architecture. The announcement is part of a larger Total Comp...[Details]
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This post is about how to upload the temperature data of the temperature sensor (DS18B20) to the OneNET cloud platform through the HTTP protocol using the 82C52 MCU via the wifi module (ESP8266). Req...[Details]
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The main part of this system is intelligent ECG monitoring and analysis, assisted by the host computer storage and display software. According to the system requirements, the ECG monitor can not on...[Details]
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On March 24, it was reported that foreign whistleblower Jon Prosser shaved off his eyebrows due to a wrong prediction. Jon Prosser has always been known for his accurate revelations. Earlier, ...[Details]
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MediaTek releases Pentonic 1000 platform to upgrade 4K 120Hz smart TV experience Pentonic 1000 integrates new features such as cloud gaming and 4K streaming November 15, 2022 - MediaTek released t...[Details]
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The oscilloscope is still an indispensable tool on the workbench, and is affectionately called the "eyes" of electronic engineers. Antai Testing has sorted out six common questions based on oscillosc...[Details]
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20W pure Class A amplifier driven by NE5532 in parallel
There are many well-made power amplifiers abroad, the output power is not large, but the sweet and elegant music is often unmatched ...[Details]
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LED display screens can be divided into many types, such as: LED unit board, monochrome LED display screen, dual-color LED display screen, inkjet screen, LED full-color display screen, etc. If the ...[Details]
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On August 3, Goodix Technology (SH: 603160), a provider of chip design and software development overall application solutions, announced that it has completed the acquisition of the industry's top sy...[Details]
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Xilinx, AWS, and Spline.AI have collaborated to develop a deep learning model for medical X-ray and disease detection that can be used in clinical medicine settings for pneumonia and COVID-19 predict...[Details]
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One of the most popular features in today's mobile phones is a built-in digital camera that can take high-resolution photos and videos. With the advent of broadband 3G networks, the demand for hi...[Details]
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