Why is a large capacitor connected in parallel with a small capacitor?
At high frequencies of the same frequency, the impedance of a large capacitor is smaller than that of a small capacitor, and it h...
[i=s]This post was last edited by w494143467 on 2021-1-31 11:58[/i]1. Introduction
I have studied FreeRTOS for a while, and basically used the official examples. Some time ago, I saw a brother on the ...
When writing MQTT, stm32 subscribes to multiple topics. I don't know how to judge the topic. How to judge? Which topic to judge? I can't debug the program after writing it. Please help....
CV measurementCapacitance-voltage (CV) and AC impedance measurements are commonly performed on many types of devices for a wide variety of applications. For example, CV measurements are used to determ...
CC2530 combines the excellent performance of leading RF transceivers, industry-standard enhanced 8051 CPU, in-system programmable flash memory, 8-KB RAM and many other powerful features. CC2530 has f...[Details]
When debugging stm8s207, I found that after unplugging the power supply and plugging it in again, the program died inexplicably. At first, I thought that the microcontroller was not reset, and checked...[Details]
1. Watchdog assembly startup code The watchdog is actually a timer, which is an internal peripheral inside the SOC in hardware. There is no need to analyze the schematic diagram for the watch...[Details]
1 Introduction The topic of serial communication is not unfamiliar to many students who are engaged in system coordination such as mechatronics and robot control. Computer software (programming tec...[Details]
Geely Auto recently officially released its latest generation of "blade-shaped" lithium iron phosphate battery, the Aegis Short Blade Battery, which it developed and produced independently.
...[Details]
Nokia Mobile may be planning to launch its next KaiOS smart feature phone. Foreign media NokiaPowerUser found that Nokia N139DL has now passed GCF certification and can be launched in the European ma...[Details]
To learn the boot process of ARM (Advanced RISC Machines), we mainly start from three aspects: boot mode, address layout and boot process. The boot process of 2440, 6410 and 210 is summarized in the ...[Details]
Test Methods
1. Place the ground resistance tester in a horizontal position and check whether the pointer of the galvanometer is on the center line. If not, use the zero adjuster to adjust it to t...[Details]
In the previous example of clock output, a lot of program codes are given. To make these program codes effective, they must be compiled and linked to generate download files, and then download the fi...[Details]
On December 15, BYD Xiangyang Industrial Park was roaring with machines, and the first blade battery production line with a capacity of about 1.9GWh was officially put into production. BYD's full rang...[Details]
The 2018 TI Cup Undergraduate Electronic Design Competition has come to an end. This competition focuses more on examining students' hands-on ability and how to combine theory with practice. Tektroni...[Details]
According to statistics from market research firm Omdia, global shipments of automotive displays reached 127 million pieces in 2020, most of which were central control displays, with shipments of 73....[Details]
Many process personnel at industrial sites may know that the range ratio of standard throttling devices is more suitable at 3:1. If the flow rate is below 30% of the full range, it should not be used....[Details]
An electrocardiogram (
ECG
or
EKG
) is used to measure the electrical signals of the myocardium over time and display the results in a graphical form. ECG applications range from simple hear...[Details]
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