In order to adopt interrupt vector remapping instead of rewriting the interrupt vector table, the interrupts used by the APP program and the BSL program are different.A tricky problem was encountered ...
[i=s]This post was last edited by fish001 on 2018-10-17 23:01[/i] [size=4]I bought the ISD4004 voice module on Taobao, which is a real rip-off. I connected the computer audio port and the language por...
1. The salt spray test box does not spray? Answer: Check whether the air pressure valve is open, the pressure should not be lower than 0.3Mpa, the air intake pressure (0.3~0.6Mpa), the spray pressure...
[i=s]This post was last edited by 54chenjq on 2020-2-27 00:24[/i]TI's red boards are all pretty. Here are some pictures to show you.
The light pointed by the yellow arrow will be used to demonstrate t...
In the past, most of the so-called open source hardware were drawn with Eagle, so I learned Eagle. Now there seems to be a trend of migrating to KiCAD. Let me share a stepper motor controller I saw re...
[i=s]This post was last edited by Beifang on 2021-8-13 11:10[/i]1. There is a relatively standard model for developing programs in rtthread, which is to use rt-thread setting. This standard setting is...
Only a small number of LED manufacturers can produce high-quality
LEDs
. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality...[Details]
Requirements: The digital tube starts displaying from 0. Press a key once (and the internal interrupt, it will naturally enter an interrupt once every second). When an interrupt is entered, the numbe...[Details]
According to Japanese media reports, Denso, a Japanese auto parts manufacturer and one of the partners of Toyota, is expected to join the plan of wafer foundry leader TSMC and Sony to jointly build a...[Details]
At 21:20 on July 28, the Hubei power grid's total load reached 36.037 million kilowatts, an increase of 458,000 kilowatts from the historical maximum of 35.579 million kilowatts set last year. The ...[Details]
Intel's upcoming factory near Magdeburg, Germany, is expected to be Europe's largest and most advanced semiconductor manufacturing plant, but its costs are increasing, and Intel recently said it inte...[Details]
JP Morgan recently released a report stating that the growth of high-end smartphones has clearly peaked this year, and the production of iPhone X is expected to decrease by at least 50% this quarte...[Details]
Designers must consider these factors when selecting bypass capacitors, as well as when using capacitors for filters, integrators, timing circuits, and other applications where the actual capacitan...[Details]
1. Introduction This paper takes the embedded S3C2410 as the core chip, designs and implements a high-speed, high-precision data acquisition and processing system with certain processing cap...[Details]
35W set-top box switching power supply circuit with multiple outputs
35W set-top box switching power supply circuit with multiple outputs
The set-top box is the key technology of interactive tel...[Details]
On July 12, Dongtu Technology issued an announcement stating that the company noticed on July 10, 2021 that the official website of the U.S. Department of Commerce announced that Beijing Dongtu Techn...[Details]
When making high-frequency circuits, we often encounter the problem of frequency measurement. In fact, a frequency counter is an electronic device that is relatively easy to make. The performance o...[Details]
Bar codes are commonly used to convert critical alphanumeric information into symbolic information that can be scanned and read by digital systems, without having to enter the information into the ...[Details]
1. In order to achieve unattended operation, modern communication switching power supplies are equipped with remote monitoring functions, such as remote signaling, remote measurement, and remote con...[Details]
Solid-state batteries will enter mass production in 2027. This news has excited both the technology and automotive circles. But don't be too happy. If ordinary people want to buy a "grocery shoppin...[Details]
Microcontroller MCU
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