Electronic circuit board

Abstract

This product is an electronic circuit board with various sensor circuits for flow rate, temperature, etc., as well as calculation circuits, communication circuits, display circuits, etc., arranged on the substrate surface. The light emission state of light-emitting elements such as LEDs (light-emitting diodes), which are arranged in multiples or singles around the edge of a hole approximately in the center of the substrate, is controlled according to the measured values ​​of the sensor circuits, instructions from communication, the state of the substrate, and the built-in program (see Reference Figures 1-5 for examples of usage). These light-emitting elements are positioned so that they partially protrude from the edge of the hole approximately in the center of the substrate towards the hole side. In addition to mounting circuit components, this electronic circuit board may have patterns such as characters applied to the substrate surface.

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