[align=center][b][font=宋体][color=#000000]Water suspension[/color][/font][/b][/align][align=left][font=宋体][color=#000000]The camera is a real-time image capture device invented to imitate the human eye...
I see that in arm's irq interrupt handler, the scene is protected in the assembly code, and then the cpsr is modified to clear the I_bit, and then the IRQ mode is switched to the sys mode, and then th...
Moderator and all the masters:I am using 4152 chip. Now, in order to reduce power consumption, I use external resistor voltage divider to drive LCD. I have tried 750K, 680K, and 470K resistors respect...
I recently did PWM and accidentally found that the PWM output is high level by default when powered on, but after initializing the GPIO port configuration (setting the pull-up resistor and the GPIO po...
I use TI's LMX2592 chip to generate a 5G clock signal, and use FPGA to control its registers using the SPI method. The hardware is designed by myself, and the power supply of the chip is measured to b...
Use SQLCE to remotely connect to the SQL2000 database server on WINCE6. Two sample codes. The first one demonstrates the ISSCERDA->SubmitSQL method. Parameter configuration: _T("http://192.168.1.77/sq...
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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[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]
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]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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]
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]
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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
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]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]