The LED responds, but the buzzer doesn't. The buzzer only responds when it is pressed for the first time. It doesn't respond when it is pressed again. The LED responds at any time. [code] module beep ...
I recently bought a pair of wireless transceiver modules CDTF100 and CDR03A. However, the introductions on the Internet are too brief. For example, the information on CDR03A is just a sentence like "T...
[size=7][font=宋体][size=5]I did some arm development some time ago, mainly writing arm startup software and porting uCOS-II to arm7. My experience is very basic, and it is all very basic. Now I share i...
What would you like to do with the C2000? Quad-axis? Inverter? I don’t know if you still remember Beidou, China’s own global satellite navigation system, launched last December. [/font][/color][color=...
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
"We have successfully launched the first version of our dedicated chip for EMB brake-by-wire. Second-generation samples have also been successfully completed, and we are actively planning a third-g...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
Wearable technology is taking off, with applications evolving rapidly, from smartwatches to fitness trackers and even smart wigs! Bluetooth Smart is at the center of this revolution. This is the se...[Details]
Analog Devices held a third-quarter fiscal 2025 earnings conference call. Vincent T. Roche, CEO and Chairman of the Board, and Richard C. Puccio, Executive Vice President and Chief Financial Office...[Details]
Facial recognition, a biometric technology that uses facial features to authenticate identity, has rapidly become a global market hotspot in recent years as the technology has entered practical use...[Details]