Help: I recently made an 8x8 LED corresponding to an 8x8 matrix keyboard. The requirements are: 8x8 LEDs light up randomly, press the corresponding button, turn off the light, and turn on the next one...
I have a CC2541 SensorTag and have always wanted to use it. At first, I used GT-S7562, but I couldn’t find it after opening SensorTag. Today, I searched with SM-J5008 and found SensorTag! ! I was so e...
My boss gave me a 5V, 1A mobile phone adapter and asked me to power the chip on the circuit (originally powered by a battery). The chip has a ±8V range, input ±5mA, output ±50mA, and the chip requires...
I made it on Linux 2.6.33. I just wanted to achieve the simplest function of copying from one area to another area for display. I transplanted the g2d code from (Linux 2.6.28) to video s3c-fb and impl...
Answers to common ADSL Internet access problems ADSL is the mainstream form of broadband Internet access. Here are some solutions to common problems when using ADSL to access the Internet. I hope it w...
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]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[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]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[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]
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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
stm32/stm8
京公网安备 11010802033920号
EEWORLD
