Build a macro keyboard using the Adafruit KB2040, install the KMK firmware, remap it and create your own configuration.[hide]https://learn.adafruit.com/navi10-macropad-with-kb2040-and-kmk-circuitpytho...
Hi guys, I have a question! After defining an array or pointer in the main function and initializing it, after burning it into the DSP ARM, the start button and the pause button are always gray, and t...
[I] Getting to know the kit: Today I received the NXP Rapid IOT development kit from the forum. First, let me show you the appearance of the kit. After unpacking the kit, you need to use Micro USB to ...
In a blink of an eye, EEWorld is 15 years old. There are so many wonderful memories along the way. Let us recall those unforgettable little happiness, those wonderful things that were made possible by...
1. Analysis of TDOA (Time Difference Algorithm) Principle
A commonly used method for sound localization ( time difference method ): the position of an unknown node ( sound module ) is calculated by me...
With the rapid development of the Internet and 5G technology, digital cockpits are gradually being applied to automobiles. For example, full LCD instrumentation, Internet of Vehicles, in-vehicle inf...[Details]
The alarm is designed to sound the siren only once. That is - when the alarm is activated - the siren will sound for a preset length of time. Then it will turn off and stay off. The alarm will not ...[Details]
Many terms are used to describe the types of measurements you can make with an oscilloscope. This section introduces some of the most commonly used measurements and terms. Frequency and period If a...[Details]
1. Introduction to the name of lithium-ion batteries
The lithium-ion batteries that are now widely used are developed from lithium batteries. So before we get to know lithium-ion batteries, let...[Details]
Braking is a very strict requirement in all major systems of a car, but perhaps you have never paid attention to it. For a car, the first thing to solve is how to make it stop in order to run faster....[Details]
Relay: Simply put, a relay is a small current and a small voltage that controls a large current and a large voltage. This is a common relay, and this is one of the same type. Working parameters: Th...[Details]
Preface
Medical ultrasound imaging uses the difference in acoustic characteristics reflected by ultrasound waves passing through various tissues of the human body to distinguish different ti...[Details]
German battery company JenaBatteries GmbH and chemical company BASF have teamed up to produce electrolytes for a battery technology that is particularly suitable for stationary storage of renewable e...[Details]
Today, Xiaomi App Store stated that since September 2021, the Xiaomi platform has detected 1,105 compliant apps, and a total of 915 apps have been given a deadline to rectify due to violations ...[Details]
According to data from market research firm IC Insights, global microcontroller (MCU) revenue is expected to grow by 9% in 2019 to $20.4 billion, and will grow at a high compound annual growth rat...[Details]
1. LED pin forming method
1 The bracket must be bent 2 mm away from the colloid.
2 The bracket forming must be done with a fixture or by professionals.
3 The bracket forming must be com...[Details]
The integration of ARM9S3C2410 microprocessor and Linux is getting closer and closer, and it is gradually being widely used in the embedded field. Currently, the combination of S3C2410 and Linux can ...[Details]
HDMI (High Definition Media Interface) is widely used in consumer electronics products (such as TVs, set-top boxes, projectors, etc.) because it can transmit video and audio data at the same time, ha...[Details]
On November 23, the Redmi Note 9 series opened for pre-order on JD.com, and the phone will be officially released on November 26. JD.com's reservation page shows that the reservation end time ...[Details]
At present, the development of the digital TV industry is in full swing. The formulation of standards, the overall shift of digital TV, and terminal manufacturers are rushing to launch high-definit...[Details]
MicroPython Open Source section
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