Why does LCD1602 need to write instructions first and then write data? What is the difference between the two?
There are relevant codes
void write_com(uchar com) { lcdrs=0; P0=com; delay(5); lcden=1; ...
I'm looking for the CD source code for Programming the Microsoft Windows Driver Model (First Edition)! I've been looking for it for days but to no avail. Is it because the book is too old? However, I'...
I want to make a relatively large walking electronic device that consumes a lot of power and needs to be powered at all times, either rechargeable or of other types. But the power supply time must be ...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
Most of the houses we live in now are elevator buildings, mainly because it is more convenient to go up and down the stairs! It can also make life more comfortable. It even helps to increase the ad...[Details]
Nios II is a configurable 16-/32-bit RISC processor. Combined with a rich set of peripheral-specific instructions and hardware acceleration units, it provides a highly flexible and powerful SOPC sy...[Details]
For healthcare professionals, accurate diagnosis and treatment are crucial for a clear picture of a person's health. However, healthcare professionals often rely on tests at medical facilities, cli...[Details]
Definition of interactive projection system:
Interactive projection systems, also known as multimedia interactive projection, are available in floor, wall, and tabletop interactive projection....[Details]
Gross profit margin jumped from 13.6% in the first half of last year to 25.9%, almost doubling year-on-year.
On August 21, RoboSense released its interim performance report, in which the...[Details]
On August 22, South Korean media Nate reported on the 20th local time that Samsung Electronics is introducing Hyper Cell technology into its most advanced 2nm process technology, striving to improv...[Details]
On August 22, according to the Ministry of Industry and Information Technology's official website, my country's first mandatory national standard for the control of hazardous substances in electric...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
As AI accelerates across industries, the demand for data center infrastructure is also growing rapidly.
Keysight Technologies, in collaboration with Heavy Reading, released the "Beyo...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
PowiGaN achieves 95% efficiency at both light and full loads, meeting critical operational and safety requirements.
DARWIN, Australia and SAN JOSE, Calif.,
August 22, 2025 – Powe...[Details]
Recently, Joyson Electronics has made positive progress in the core technology research and development of the robot's "brain and brain" and key components, and launched the industry's first integr...[Details]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]
Analog electronics
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