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       Apple this week began selling certified refurbished 10.2-inch iPad models (cellular version) for the first time in the United States, Canada and some other countries and regions. Compared with...[Details]

　　Theodolite structure machine parts 　　1. The structure of theodolite (main commonly used components): 　　Theodolite 　　1 Telescope brake screw 　　2 Telescope 　　3 Telescope fine-motion screw 　　4 Horizon...[Details]

Scientists from the University of Notre Dame in the United States have invented a new 3D printing method - high-throughput combined printing, which can control the 3D structure and local composition ...[Details]

　　D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be us...[Details]

Basic key program structure analysis:  1 void key_scan(void)  2 {  3 if (!key) //Check if the key is pressed  4       {  5 delay_ms(20); //delay debounce, usually 20ms  6           if(!key)  7     ...[Details]

As early as ten years ago, my country had become the world's largest manufacturing country, and then "smart manufacturing" industrial upgrading became the main theme of the industry. ...[Details]

This article describes some of the unique challenges of designing wearable devices and how to optimize power efficiency to reduce size. It covers the importance of operating voltage and how to choo...[Details]

    Abstract: Voltage transients and surges in the use of electronic products will cause damage to electronic products. Therefore, voltage transient and surge protection issues have attracted more a...[Details]

The structure, design and implementation of the transconductance amplifier-capacitor (OTA-C) continuous-time filter are discussed and analyzed. The bandwidth of the designed filter is controll...[Details]

The permanent magnet synchronous motor is a variant of the DC permanent magnet motor, and its structure and working principle are similar to those of the traditional synchronous motor. It uses perm...[Details]

Gartner: Global device shipments are expected to fall 4% in 2023 • Device shipments fell for the second consecutive year • PC shipments to fall 7% in 2023 after fall...[Details]

Infineon and NuCurrent partner to deploy market-leading smart door lock and energy harvesting technology Infineon Technologies AG announced that NuCurrent, the global authority in the field of wi...[Details]

Abstract: This paper mainly takes virtual instrument technology as the main research object, studies its role and method in power quality detection, and develops a set of power monitoring system base...[Details]

You need a small motor for a project, and you instinctively look at the various standard brushless DC (BLDC) motors. There are several reasons for this: they can be driven directly using today's co...[Details]

Premises Distributed System (PDS) is an integrated universal transmission system that uses twisted pair or optical cable to transmit information within buildings and campuses. It is a str...[Details]