The AT89S52 microcontroller has a built-in watchdog. To start the watchdog, just write the following to the two addresses: mov 0a6h, #01eh mov 0a6h,# 0e1h. Once the watchdog is started, it cannot be t...
[align=left][font=微软雅黑]As a semiconductor optoelectronic device that has rapidly emerged in recent years, the optocoupler has many advantages, such as small size, long life, and the ability to work in...
[i=s]This post was last edited by xiaxingxing on 2020-7-21 15:54[/i]The circuit diagram and output waveform are shown in the figure below.
The optical signal received by the photodiode is about 80KHz ...
1. Requirements: 24V to +/- 15V chip/solution, load capacity of about 0.5A, maximum input voltage 60V
2. Origin of the problem: The 24V battery is the power supply, and I want to directly convert it i...
Key Features:USB keyboard input (can now handle long presses)
Display Output
A text editor for creating and editing Python code
A "REPL"-like command line for entering python commands (to edit files, ...
The BFS-PGE-123S6P-C
is the latest addition to our Blackfly S GigE camera family. The new 12 MP model is ideal for applications with reflective and/or difficult lighting conditions. Ideal for...[Details]
According to Taiwanese media reports, Lyon Securities released a report pointing out that the upstream supply of iPhone 12 was overly aggressive, and Apple has officially launched the first wave of o...[Details]
The process of uboot: 1. Select the architecture of the microcontroller or platform in the overall make file. 2. Change clock configuration 3. Change the clock configuration related to the serial por...[Details]
This article introduces the principle and design method of a low-power multi-output AC/DC switching power supply based on the TOPSwith series chip design.
Design requirements
The swit...[Details]
1. RGB device superposition mode
This mode of color display does not require light color conversion or color filters, thus improving the luminous efficiency. This superposition mode requir...[Details]
1. Wireless digital device transmitter characteristic test technology
The wireless data functions of mobile terminals and personal computers have developed into multi-band, multi-system structure...[Details]
The 82nd China Electronics Fair (CEF) has come to a perfect end. During the exhibition, many hot product technologies, such as smart wearable devices, new energy, and green manufacturing, left a deep...[Details]
1 Introduction In the modern power electronics industry, rectifier and inverter power systems have made great progress. In this power system, the role of the DC link capacitor is to prevent th...[Details]
Intrinsic-ID, a provider of hardware-based security technology, has received a total of EUR 5 million in its first round of financing from Robert Bosch Venture Capital GmbH and existing investor Pr...[Details]
In the construction of "Safe City", faced with massive image data, the public security organs are often at a loss when investigating cases. How to accurately obtain the identity information of the...[Details]
1. Testing Theory 1. Definition of software testing: The process of verifying whether the actual results of the software are consistent with the user through manual or automated methods 2. Software...[Details]
On the evening of October 30, JinkoSolar (601778.SH) released its third quarter report for 2022. The report shows that the company's revenue in the third quarter was 993 million yuan; the net profit a...[Details]
The emergence of advanced and affordable personal medical devices is changing the healthcare industry, allowing consumers to monitor their vital signs and other key indicators at home or on the go ...[Details]
For AVR Studio software download and installation methods, please refer to: Selection and Installation of AVR Development Software. After the software is installed, you will see the following functio...[Details]
1. Introduction
Among
the
main
optoelectronic
parameters of
LED display screens
, there are
brightness
, viewing angle, uniformity,
contrast
, ref...[Details]