[i=s]This post was last edited by weiwei4 on 2019-1-16 01:05[/i] I really don’t think the NXP Rapid IOT APP is that easy to use. First of all, as mentioned in the previous post, the App has certain co...
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[i=s]This post was last edited by DDZZ669 on 2020-9-20 15:44[/i]The previous article " 【GD32450I-EVAL】+ 03 Basic usage of library functions - taking key interrupt as an example " introduced the basic ...
1. Regulated power supply
1. 3~25V adjustable voltage stabilization circuit diagram
The adjustable range of this voltage-stabilized power supply is arbitrarily adjusted between 3.5V and 25V, the outpu...
This is a question that many people have and is often asked. The amplifier has two power supply pins +V and -V, which are the positive power supply pin and the negative power supply pin respectively. ...
The circuit shown in Figure 1 is a circuit that converts a simple input sinusoidal AC signal into a sawtooth wave signal. The frequency of the sawtooth wave signal is twice the frequency of the sinus...[Details]
Advantages and disadvantages of DC reduction motor
The advantages of DC geared motors include:
1. Wide speed adjustment range: The speed of the motor can be adjusted by changing the volta...[Details]
LG announced its exit from the phone business in early April, so unsurprisingly, the company has canceled a number of its upcoming devices, including the LG VELVET 2 Pro, as well as three models call...[Details]
74HC574 Application Circuit Schematic Diagram
Register is an important digital circuit component, often used to temporarily store data, instructions, etc. A flip-flop can store one bit of binary co...[Details]
1. Program Function
Write a program to convert input in a specific format into C language statements.
2. Program source code
#include stdio.h
#include string.h
#include ctype.h
#d...[Details]
As a typical experimental instrument, gas chromatograph is widely used in laboratories. Correct installation and use of gas chromatograph is of great significance to the experiment. Here we will exp...[Details]
China Energy Storage Network News:
On August 20, China Unicom Nanjing Branch Xiaoying 5G base station was successfully opened. This is the first 5G base station built in a substation in China...[Details]
1. Introduction: In the ARM architecture, the CPU is not allowed to directly access memory units. In order to solve the need to access memory units, registers are used as relays. The memo...[Details]
0 Preface
At present, leakage protectors are widely used as a new type of low-voltage protection electrical appliance, both in cities and in rural areas. The reliability of their work directly affe...[Details]
Tesla's batteries are critical to the functionality of its electric vehicles, and the company's battery system is a benchmark in the industry because its battery range and energy density are higher t...[Details]
According to foreign media reports, Tesla has reached a procurement agreement with LG, and the future domestic version of Model 3 will use NCM811 batteries produced by LG Chem in Nanjing Xingang Deve...[Details]
In Figure 1(a), the transistor works in common emitter mode, and its collector voltage is fed back to the base through transformer T, and the connection of the transformer winding should reali...[Details]
Recently, the State Intellectual Property Office issued a "Decision on the Examination of the Request for Invalidation", with decision number 51471 and patent number 201710297717.0, declaring all pat...[Details]
Laboratory Thermometers:
The principle of mercury thermometer is very simple - it is because mercury expands when it is heated and contracts when it is cooled. As for why not use water, because whe...[Details]
"Stay calm and you will be invincible." We are Tektronix, born for engineers and for solving problems. Beijing, China, December 20, 2019 – At the end of the year, on the afternoon of Dec...[Details]