General Purpose Alarm Device: A programmable annunciator

IF 2 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

HardwareX Pub Date : 2024-10-10 DOI:10.1016/j.ohx.2024.e00590

Robert L. Read , Lawrence Kincheloe , Forrest Lee Erickson

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引用次数: 0

Abstract

The General Purpose Alarm Device (GPAD) shines lights and makes loud noises to draw the attention of a human being to a problem. It provides a programmable, 80 character display to provide textual information. As an inexpensive modular annunciator, it is intended to decrease the cost of any system that requires complex monitoring and rapid human intervention. Fundamentally, it is designed to act as a peripheral to a controlling computer or microcontroller. The controller may communicate over a USB (COM) connection or a 5V SPI connection via an RJ12 cable. The GPAD is intended to be as general purpose as possible, so that it can be used to provide alarm functionality for many engineering and scientific projects, hobby machines, instruments, and various situations. The original driving use case is to provide medical alarm capability to the PolyVent open-source mechanical medical ventilator. The GPAD supports 5 alarm levels above “silent” of increasing urgency in terms of light, rhythm, and frequency. It has a mute button. It is based on the Arduino Uno Atmega328 design and is potentially extensible through headers and shields like an Uno. The GPAD includes a printed wiring assembly, firmware for the GPAD peripheral, a simple documented API and a 3D printable enclosure. The repo includes instructions for using a second GPAD as a controller as an example for programming.

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通用报警装置：可编程报警器

通用报警装置（GPAD）会发出灯光和响声，以引起人类对问题的注意。它提供一个可编程的 80 个字符的显示屏，以提供文本信息。作为一种廉价的模块化警报器，它旨在降低任何需要复杂监控和快速人工干预的系统的成本。从根本上说，它是作为控制计算机或微控制器的外围设备而设计的。控制器可通过 USB (COM) 连接或通过 RJ12 电缆的 5V SPI 连接进行通信。GPAD 具有尽可能广泛的用途，可用于为许多工程和科学项目、业余爱好机器、仪器和各种情况提供报警功能。最初的驱动用例是为 PolyVent 开源机械医疗呼吸机提供医疗报警功能。GPAD 支持高于 "无声 "的 5 个警报级别，警报的轻重、节奏和频率越来越紧急。它有一个静音按钮。它基于 Arduino Uno Atmega328 设计，可以像 Uno 一样通过接头和屏蔽进行扩展。GPAD 包括一个打印的布线组件、GPAD 外设固件、一个简单的 API 文档和一个 3D 打印外壳。该 repo 包括将第二个 GPAD 用作控制器的说明，作为编程示例。

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来源期刊

HardwareX Engineering-Industrial and Manufacturing Engineering

CiteScore

4.10

自引率

18.20%

发文量

124

审稿时长

24 weeks

期刊介绍： HardwareX is an open access journal established to promote free and open source designing, building and customizing of scientific infrastructure (hardware). HardwareX aims to recognize researchers for the time and effort in developing scientific infrastructure while providing end-users with sufficient information to replicate and validate the advances presented. HardwareX is open to input from all scientific, technological and medical disciplines. Scientific infrastructure will be interpreted in the broadest sense. Including hardware modifications to existing infrastructure, sensors and tools that perform measurements and other functions outside of the traditional lab setting (such as wearables, air/water quality sensors, and low cost alternatives to existing tools), and the creation of wholly new tools for either standard or novel laboratory tasks. Authors are encouraged to submit hardware developments that address all aspects of science, not only the final measurement, for example, enhancements in sample preparation and handling, user safety, and quality control. The use of distributed digital manufacturing strategies (e.g. 3-D printing) is encouraged. All designs must be submitted under an open hardware license.