CPOAC5DEP

Generally, if gcc cannot use division, the error after make is: Division is used at each error location. My makefile code is as follows: CC = arm-linux-gcc LD = arm-linux-ld AR = arm-linux-ar O...[Details]

The world-renowned PFU scanner will switch to the Ricoh brand and be launched in April 2023 Currently, PFU Co., Ltd. (hereinafter referred to as "PFU"), under the leadership of President Kiyoshi Mu...[Details]

1. Overview In recent years, with the implementation and deepening of urban and rural power grid transformation, it is increasingly recognized that installing low-voltage dynamic reactive ...[Details]

Use the parallel port P1 of AT89S51 to connect a 4×4 matrix keyboard, with P3.0-P3.3 as input lines and P3.4-P3.7 as output lines; the digital keys "0-9" are displayed on the digital tube, and the ot...[Details]

With the rapid development of my country's communications, power, UPS and other industries, the use of batteries is also increasing rapidly. Under the current conditions of battery use, some unexpect...[Details]

The infrared alarm can detect infrared rays emitted by the human body. When a person enters the monitoring area of ​​the alarm, an alarm will sound. It is suitable for anti-theft alarms in important p...[Details]

COSEL has developed three new DIN-rail industrial power supplies 2022-09-13 • Economical design • 35mm rail standard • Low standby power consumptio...[Details]

       Recently, several Apple MacBook users reported to Consumer Reports that black lines appeared on their computer screens, accompanied by screen flickering, ghosting and other problems, involving...[Details]

Infrared imaging technology is a very useful new high-tech technology with strong anti-interference ability. It is a passive observation equipment with strong concealment. Long-wave infrared i...[Details]

Based on the bridge chip CP2102, a USB2.0-CAN adapter card is designed. The system adopts USB and CAN receive interrupts, communication synchronization handshake protocols, etc., to solve the contr...[Details]

Introduction Radio frequency identification (RFID) is an emerging technology that uses wireless methods to identify electronic data carriers (electronic tags). Compared with contact IC cards ...[Details]

    　　"Measuring the resistance of a small light bulb" is the continuation and application of Ohm's law, which deepens and understands Ohm's law and the concept of resistance. The content is to...[Details]

　　The leakage current tester is designed according to international and domestic safety standards such as IEC, ISO, BS, UL, JIS, etc. It is suitable for testing the safety leakage current of various ...[Details]

Plantronics (NYSE: PLT) today launched the new Voyager 8200 UC series Bluetooth headset. This stemless Bluetooth headset uses a high-fidelity stereo design, business-grade audio and dual-mode active ...[Details]

The problem of unstable servo motor speed usually involves multiple factors. The following is a detailed analysis and solution to this problem: 1. Cause Analysis (1) Problems with the mot...[Details]