Gold fingers are a row of equally spaced square pads on a PCB circuit board, with exposed copper and gold plating; they are commonly used for electrical connection pins of boards, LCD connections, mot...
1. Introduction to RJM8L303 chipRJM8L303 is a low-power security MCU chip launched by Wuhan Ruinajie Electronic Technology Co., Ltd., which adopts an enhanced 80C51 core, has 8KB SRAM and 128KB Flash ...
1993 1. The first newspaper for eating, drinking and having fun, "Fine Shopping Guide" was launched on January 8. 2. The first fashion magazine, "Vogue" magazine was launched in August. 3. Going abroa...
[i=s]This post was last edited by andyzhangcs on 2018-9-11 12:21[/i] As we all know, with the increasing degree of social automation, the demand for automated control in the field of industrial contro...