How do threads in the same process communicate? Touch screen drivers and LCD drivers are both loaded by GWES. Can they be considered as multiple threads in the GWES process? Is thread communication in...
LM2791 is mainly used for driving white light LEDs. I need to drive a LED Laser VLM-650-01-LPA (red light, 650nm), with a forward operating voltage of 3~5V and an operating current of <35mA. Can I use...
I have been working on the Bluetooth of the Rapid IOT kit this week and I am going crazy. At first I thought Bluetooth was just like a serial port, but I thought it was too simple. The Bluetooth proto...
MCU development/control board development and electronic product design Our company provides a full range of electronic technology services, including various MCU development, software and hardware de...
[color=#111111][backcolor=rgb(251, 251, 251)][font="][size=24px]Stm32 +tm1638 can only display but not read keys. Why? [/size][/font][/backcolor][/color][color=#111111][backcolor=rgb(251, 251, 251)][f...
I have been looking at the source code of UCGUI these days. I wonder if any of my friends have the same problem. I have a few questions about memory allocation. I hope you can give me some advice. In ...
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]
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]
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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[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]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]