You can use serial port commands to control pn532 and mobile phone to establish a link to ensure subsequent communication and realize point-to-point information interaction. Contact QQ: 1319530068...
Many SMD MOS tubes have different sizes of SOT23-3 packages. Some are relatively large, while others are normal (similar to the SOT23 of S8050 and S8550). Are all packages of different sizes SOT23-3? ...
Homemade Mini Single-Chip Programmer [align=center][img=600,584]http://bbs.16rd.com/data/attachment/forum/201609/13/160407r717pt6dp9jv919q.gif[/img][/align]1. Supported chip models Supports the most c...
Hello everyone! I am very happy to post on EEWORLD again! Autumn is a season of harvest. Recently, I got CY8CKIT-042, "MCU Engineer's Refining Record", and STM32F030 discovery on EEWORLD. I have recei...
I would like to ask all the experts in the forum, when using the third generation of Altera FPGA to generate a synchronous output pulse using the rising edge of the input pulse signal, the rising edge...
How did I get started with microcontrollers? When was that? I remember when I was a sophomore, I heard a teacher talk about microcontrollers. It was the first time I heard about this term, but I didn'...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[Details]
Liquid crystal displays are increasingly widely used in pocket instruments and low-power application systems due to their advantages of low power consumption, small size, rich display content, and ...[Details]
We often step over automatic doors in our daily lives. For the most part, we only notice them when they are not working. Swiss automatic door manufacturer Kaba Gilgen, together with the process con...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]