Public Class Form1Inherits System.Windows.Forms.FormFriend WithEvents Label1 As System.Windows.Forms.LabelFriend WithEvents TextBox1 As System.Windows.Forms.TextBoxFriend WithEvents TextBox2 As System...
I have been stuck on the issue of upgrading the user program via the serial port based on the Flash bootloader for a long time. I would like to ask for your help. The original intention is to upgrade ...
STM8S uses 16M clock. TIM1 and TIM2 have other uses. Because we need to generate a signal with a pulse width adjustable from 200 to 1000us (controlled by program) and a period of 1ms (fixed at 1kHz), ...
How does the PWREN signal in ARM2410 work? The DATASHEET says it is a core voltage control signal. How does this signal work specifically? The manual says it controls the core voltage output to 1.8V! ...
[color=#3e3e3e]1. Signal Integrity: refers to the quality of the signal in the circuit system. If the signal can be transmitted from the source to the receiving end without distortion within the requi...
1. Design of digital perpetual calendar Using the microcontroller application system (keyboard + LCD display) to design a calendar that can display the correspondence between the week n and the year, ...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[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]