The previous section introduced the WS2812 driving method. Based on this, we can design a variety of interesting applications. First, let's take a look at the WS2812 light strip displaying a rainbow. ...
I encountered a problem. The hexadecimal received by the serial port was divided into characters. For example, if 0x01 is sent, the data received by the serial port and stored in the array is '0' 'x' ...
[font=Verdana, Helvetica, Arial, sans-serif]Last week, I attended the 11th Shanghai International LED Exhibition. In the LED large screen control, there is a control technology called "true asynchrono...
(1) How can I check the total size of the program using the 4K limited version of IAR3.30? I could check it before, but I can't after uninstalling and reinstalling it.(2) How can I jump out of the whi...
Since the 2K RAM inside the 149 is not enough, is there any cheaper and suitable RAM that can be expanded outside the 149? Can it occupy as few I/O ports as possible? I don't want to use 6264 and tms4...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
If a car stereo could play multiple CDs, then such an in-car entertainment system was an advanced system configuration. Today's in-car infotainment systems are complex embedded subsystems that combine...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
Some experience we have accumulated when debugging a system using Keil C
1. Since Keil C does not support Chinese very well, the displayed cursor will be inconsistent with the actual cursor positi...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
For a long time, everyone has held a view when talking about power supplies: "Whether a power supply is good or not depends on whether it is heavy." So is it true that the heavier the power supply,...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
1. Introduction
The human balance ability is the basis for people to carry out various sports. People need balance ability to stand, sit, lie down, and walk. Once a person's balance ability is...[Details]
White LED energy-saving lamps are now widely used in handheld devices (such as mobile phones) as backlights for color LCD screens and keyboard lights. Colored LED energy-saving lamps are good indic...[Details]
MicroPython Open Source section
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