[i=s]This post was last edited by dcexpert on 2020-9-16 22:54[/i]The main devices used in DIY:LED Light
WS2812 Light Ring
ESP-WROOM-02 module
TTP223
CH330N
TP4054
74LVC1G32Note: The prices shown are f...
[i=s] This post was last edited by Baboerben on 2019-1-8 17:04 [/i] [size=5] Loading scheme design [/size] [size=5] When BOOTMODE[4:0] is set to 01010B, the program is loaded from the external 8-bit p...
In the initialization of GD32F, the frequency division coefficient is initialized with a library function. In the xxxx_init function of the cycle, there is a code for the software update event. If you...
[i=s]This post was last edited by lb8820265 on 2022-11-1 14:52[/i]In the previous section, we introduced how to run the "turtle_teleop_key" node and then control the turtle with the keyboard . If you ...
My Keil was installed on a non-C drive. I failed to compile the official examples directly, so I downloaded the official firmware library and created blank projects for IAR and Keil. The IAR version i...
[list] [*][b]The meaning of resistor, capacitor and inductor packages: 0402, 0603, 0805[/b] [/list][color=#000][font=Helvetica,] indicates the size parameters. 0402:40*20mil; 0603:60*30mil; 0805:80*50...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]
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