Does anyone have Arabic font files (including 32*32 40*40 48*48)? The font files I generated with guitool software are incomplete or some characters are not displayed correctly, and the Arabic display...
NRF24L01 is a pair of 6 or more. [align=left][color=#000][font=Helvetica, Arial, sans-serif]Can a 24l01 master communicate with n (more than 6) slaves? The master actively asks, and the slave receives...
After successfully driving SSD1306, I made a key input interrupt program using the two keys on the board. Press the right KEY3 and the screen will display RIGHT, and press the left KEY1 and it will di...
After installing DriverStudio, Skype always complains: Skype is not compatible with system debuggers like SoftICE. I checked online and found that I need to use OllyDbg to change a JE from 74 to EB. A...
[b]Main topic: [/b] [list][*][b][url=]LED[/url]'s luminous characteristics [/b][*][b]Constant power control LED dimming method [/b][/list][b]Solution: [/b] [list][*][b]Using a single-stage FLYBACK top...
I use a single-chip microcomputer to control 150v fast on and off. I use 5551 control and find that it cannot be cut off or it cannot be turned on after being cut off. This problem has troubled me for...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[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
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
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]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[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]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[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]