K. F. Yarn
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View article: Development of Banknote Detection Circuit System
Development of Banknote Detection Circuit System Open
Due to the continuous improvement of digital imaging technology, making counterfeit banknotes has become easier and cheaper. In order to solve the problem of counterfeit banknotes, the main purpose of this article is to develop a banknote …
View article: LED Lighting Circuit Design with Automatic Light Supplement
LED Lighting Circuit Design with Automatic Light Supplement Open
This article mainly develops white LED lighting with automatic light supplement. It is hoped that the circuit can judge the strength of the external light source to automatically control whether the lamp is on or not, so as to reduce the c…
View article: Design of Humidity-Controlled Exhaust Fan with Lighting Function
Design of Humidity-Controlled Exhaust Fan with Lighting Function Open
The production implemented in this article is mainly composed of humidity sensing control, A/D conversion, fan, refrigeration chip, 89C51, LED, LCD panel and other circuit combinations. When the humidity reaches the set value, the system w…
View article: Aspect Ratio Effect on Laminar Flow Bifurcations in a Curved Rectangular Tube Driven by Pressure Gradients
Aspect Ratio Effect on Laminar Flow Bifurcations in a Curved Rectangular Tube Driven by Pressure Gradients Open
This study investigated the flow bifurcations of flows driven by a pressure gradient in a rectangular curved tube. When fluid flows within a curved tube, due to the centrifugal effect, secondary vortices can be induced in the cross section…