This optimization example comes from Damien's talk on pycomau, Efficient and Fast Programming with MicroPython. First, let's look at the following program, which flips the LED in a loop, and then calc...
NXP provides a comprehensive range of microcontroller and microprocessor products, which are widely used in industrial and consumer products. In industrial and consumer products, human-machine interfa...
[i=s]This post was last edited by Hot Ximixiu on 2021-5-21 07:38[/i]In view of the fact that many netizens have inquired about the problem of programming overload of Qinheng MCU CH55X, many friends ar...
After seeing @justd0's disassembly of the Delixi infrared thermometer -38~520℃ , which also used Fresnel lens, I felt that the thermometer I have is not that bad. I disassembled it once before, but be...
I need help from the senior elites. I use the NXP brand. The PCA9539PW (interface-I/O expander) chips are batch mounted on the machine and tested intact and shipped. A few months later, the end user r...
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At present, substation integrated automation technology has been widely used in my country. However, there are still some technical limitations in the application of the current substation integrated ...[Details]
In the process of using a thermal imager, you will definitely find that when taking thermal images, sometimes it will freeze and the thermal imager will make a clicking sound. There is no need to pan...[Details]
In February this year, Minister of Health and Welfare Chen Shih-chung hinted that Taiwan's plan to purchase 5 million doses of vaccine directly from Germany had changed due to political suppression f...[Details]
Facial recognition algorithms and smart cameras are commonplace, and smart voice and recommendation algorithms are used all the time. All walks of life have begun to explore how to use AI... However,...[Details]
MICROCHIP's PIC16 series microcontrollers are widely used in various fields with their concise instructions and strong port driving capabilities. In the control field where a large amount of data...[Details]
BYD and ATL take the lead in the competition for power batteries, while material companies suffer
The sales of new energy vehicles, especially civilian vehicles, have exploded, bringing infin...[Details]
Overview
Timing is critical to all test, control, and design applications and must be considered as a key consideration in your system. Timing and synchronization techniques relate events to time...[Details]
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Function: Determine the state of a key;
return value: 0x00-no key pressed, 0x01-short key pressed, 0x02-long key pressed; (This...[Details]
Many digital power products use the industry standard PMBus to implement system architecture to manage and control multiple power rails. However, many people do not know how to apply PMBus to sol...[Details]
TrendForce analyst Chen Yanyin said that last year was the first year for optical products, with a market penetration rate of less than 2%. This year, due to the reduction in product costs of related...[Details]
On the 24th, Qualcomm announced the establishment of a 5G ecosystem venture capital fund with a total amount of US$200 million (the same below), and emphasized that it is estimated that 5G can bring ...[Details]
Background: STC89C52RC microcontroller
1. Matrix keyboard line inversion algorithm
1.1 Matrix keyboard
A matrix keyboard is a keyboard that places the keyboard buttons at the intersec...[Details]
Last time, we introduced the principle and manufacturing process of piezoelectric buzzers and explained the concept of "impedance conversion" of electroacoustic components to air. This time, we w...[Details]
Today, the electric vehicle (EV) market concept has been widely accepted by the public. Electric vehicles and charging stations on the streets are becoming a beautiful sight. Today, the electric ve...[Details]
1. Issues regarding step-down voltage regulation systems with wide or high input range and low power output
Generally speaking, switching regulators are often used to reduce unstable wide...[Details]