High quality bookshelf speaker DIY

High quality bookshelf speaker DIY Friends who like to play audio always have strong hands, and I am no exception. Although there are a lot of finished equipment at home that makes me enjoyable, my hands are always a little "itchy" and I always want to make a good e ...more

Circuit Drives Mixed Types and

Portable systems often use LEDs of different colors-white for the display backlight, green for keypad illuminaTIon, red for power, etc., and in varying quanTITITIes of each. Typically the LEDs are driven by at least two power supplies, one for "standard "LEDs (red and ...more

Circuit Drives Mixed Types and

Portable systems often use LEDs of different colors-white for the display backlight, green for keypad illuminaTIon, red for power, etc., and in varying quanTITITIes of each. Typically the LEDs are driven by at least two power supplies, one for "standard "LEDs (red and ...more

Protect your research and development achievements-two-…

Abstract: In an age of impersonation and forgery of documents, it is essential to ensure correct identification. This is true not only for individuals, but also for electronic products. System vendors need to protect the safety of their products in environments where there is a ...more

How to open nh file and what to use to open nh file

How to open nh file Full-text browser is a dedicated full-text format reader of China Journal Net. Compared with CAJViewer 6.0 (modified) the following functions: 1. Increase the page rotation function. You can rotate a page in full or individually, and save the rotation resu ...more

Research on Ï€ / 4QPSK modulation technology based on d…

Software-Defined Radio (Software-Defined Radio) is a new architecture for wireless communication proposed in recent years. Its basic concept is to use hardware as the basic platform for wireless communication, and to implement as many wireless and personal communication functi ...more

How to Configure the DS1852 Al

Abstract: The purpose of this applicaTIon note is to explain how to configure the DS1852 so that the Alarm and Warning Thresholds comply with the memory locaTIon requirements of the SFF-8472 standard. Figure 1. DS1852 memory map. DS1852 Alarm and Warning Thresholds and the SF ...more