Today I saw a blog post that says: Assuming the system clock is 72Mhz, TIM1 is derived from PCLK2 (72MHz), and TIM2-7 is derived from PCLK1. The key is to set the clock pre-division number and the val...
There is no serial port protocol between the upper and lower computers. When one side is ready to receive, the other side can send. Now the question is how can the receiver know that the data stream h...
When running naked, I debugged with ADS and this problem occurred after running for a few minutes. The time is not fixed, sometimes a few minutes, sometimes more than ten minutes. But if it is burned ...
Why choose CY7C68013 as USB2.0 chip: 1. High cost performance, the largest market share in the world among general USB2.0 interface chips, and the largest foreign market share. 2. Maximum 4K USB endpo...
Dear experts, please help me find the error. This is a single-chip computer program of mine. It is a clock. It uses ATMEL89C51 single-chip computer and is displayed on the digital tube 7SEG-MPX8-CC-BL...
FeaturesMicroPython support in PyCharm and IntelliJ.featureCode completion
Download Python files or directories to the device
Running the REPLCurrently, the plugin supports ESP8266, Pyboard and Microb...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]