A friend's company received a batch of office computers. I accompanied him to the company on the weekend to help test the machines, which actually meant turning on the computers and releasing the syst...
1. Common impedance interference of ground wire
The ground wire on the circuit diagram represents the zero potential in the circuit and is used as a common reference point for other points in the circ...
[size=4] Migrate your existing MSP430 MCU design to TI's new high-performance MSP432 MCU platform. Or, when you need to reduce the power consumption of your product, you may consider migrating your ex...
In the past, I only produced small batches of PCBs after I drew them. I would send the PCB files to the assembly factory (small workshop), print the silk screen, and then mark some components to make ...
6ULL 256M is memory, 256M is nand) Introduction: Use a card reader to make a bootable TF card, directly insert it into the development board, and it can be directly started. 1. Find a TF (32g or less,...
[i=s]This post was last edited by Adventure Warrior on 2022-5-22 23:16[/i]I bought an OV7725 camera, a 1/4-inch single-chip image sensor with a photosensitive array of 640*480, which can achieve image...
0 Introduction Based on the monitoring of toxic and harmful gases in indoor air, this paper introduces a highly versatile portable intelligent indoor environmental monitoring instrument. Its core i...[Details]
Applicable to all microcontrollers, crystal oscillator is 11.0592M #include "reg52.h" int pwm1=1; duty cycle of the first pwm int pwm2=60; the second pwm duty cycle sbit led1=P1^0; sbit led...[Details]
1. There is a large capacitor in the system power supply, and the power-on speed is slow (it takes a long time to reach the standard value). 2. Other devices in the system need to be powered on and i...[Details]
Radio frequency card (contactless IC card) is a new technology developed in recent years. Compared with traditional contact IC card and magnetic card, the contactless IC card developed by radio...[Details]
Last December, it was revealed that Motorola was working on two smartphones codenamed Capria and Capri Plus. The XT-2127 model number belongs to Capri, while the XT-2129 model number is related to Ca...[Details]
Samsung Electronics is expected to release its second-quarter earnings later this week, according to Yonhap News Agency. Despite a decline in sales of consumer electronics, analysts expect its operat...[Details]
China News Service reporters learned from the Purple Mountain Observatory of the Chinese Academy of Sciences on the 13th that during China’s 39th Antarctic scientific expedition, the station took the...[Details]
1. Circuit structure
The following figure is a CMOS hearing aid circuit diagram. After the NOT gates D1, D2, and D3 are connected in series, they form a small signal AC amplifier with R2, R3, RP1...[Details]
1. Before using the inverter, you must first be familiar with its panel display and keyboard operation unit, and set the parameters reasonably according to the requirements of using the on-site ope...[Details]
The figure shows an application circuit that uses a W317 three-terminal adjustable positive integrated voltage regulator in parallel with an F007 operational amplifier to form an extended current out...[Details]
We know that the degree of error is called precision. Instruments with high precision have small measurement errors, while instruments with low precision have large measurement errors. Usually, pr...[Details]
Although the cable fault detector equipment brings certain convenience in cable fault detection. However, in practice, the cable fault detector equipment will cause deviations in the detection resu...[Details]
Shanghai Yishi Intelligent Technology Co., Ltd. and Callisto (Beijing) Technology Co., Ltd. signed a "Strategic Cooperation Agreement". Based on their respective capabilities and advantages in...[Details]
July 1 news, according to foreign media reports, the United States has previously announced that it will implement new export controls on technologies such as EDA software necessary for designing G...[Details]
On November 10, researchers at the Vienna University of Technology (TU Wien) developed a self-learning robot that can imitate humans to complete simple tasks, such as cleaning a washbasin.
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