This circuit is a circuit that realizes voltage-controlled slew rate. From the upper circuit, a voltage pulse of 0 to -8.5V or 0 to 12V is generated (input from between D2 and D3), but because the sys...
Buck / Boost LED Driver QX5278Overview
QX5278 is a step-up / step-down LED constant current driver IC . When the power supply voltage is lower than the LED lamp's on-voltage, the driver circuit works ...
I have a question: I am an application developer. I made a serial communication program (VB) using the MSCOMM control. I used the serial debugging program to test that there is no problem with receivi...
I want to adjust the ADC10 on the G2 board, so I wrote this program. I input from P1.1, and when the output exceeds a certain value, the P1.0 light goes out.#include "msp430g2231.h"void main(void){WDT...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:57[/i] Old things can become popular again, and commercial brands are no exception. For example, instant camera company Polaroid filed ...
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
Touch sensors have been in widespread use for many years, but recent advances in mixed-signal programmable devices have made capacitive touch sensors a practical, value-added alternative to mechani...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
1 Introduction
Under the current situation of power shortage in my country, it is very important to monitor power to ensure safe use of power. The research and transformation of power grid...[Details]
0 Introduction
RFID (Radio Frequency Identification) technology is considered to be one of the top ten technologies with the greatest application potential in the 21st century due to its e...[Details]
Abstract: An anti-collision system for automobiles is designed and developed. Based on the ultrasonic principle, the anti-collision system transmits and receives ultrasonic signals, measures the t...[Details]
Four-channel programmable digital down converter HSP50216 and its application in software radio
1 Introduction
Software radio originated from the graveyard of Speakeasy tactical commu...[Details]
Preface
EEG (Electroencephalography) is a spontaneous potential activity generated by brain nerve activity and existing in the central nervous system, which contains rich brain activity in...[Details]