Abstract-Disasters create mass casualties and the number of casualties usually surpasses the capability of medical resources, hence, medical teams must attach paper triage to casualties for determining the priority of treatments based on the severity of their condition. However, since casualties' condition could change at anytime, the paper triage cannot provide the latest information of their health condition. Therefore, we have developed a wearable medical device that can continuously monitor the health condition of casualties. It is a lightweight and low-cost wearable electronic triage with sensing system that can monitor the vital sign of casualties and classify them into three levels of severe conditions, i.e., major, delayed, and minor status. The electronic triage is mainly built from a low-power 8-bit microcontroller unit, RF units, and sensors including pulse oximetry and thermocouple breath sensor. This electronic triage has been developed using low-cost electronic components that are available in developing countries such as Indonesia, so that, our electronic triage can be easily manufactured and maintained locally. Furthermore, we have also developed a simple android-based mobile application for data acquisition, priority classification, data storage and data transfer to medical record server in hospitals.
The existing crowdfunding platforms still operate using centralized system. While centralized system can operate well, it requires a third party intermediary in order to operate and thus does not completely provide data security and transparency of crowdfunding activities. In addition, the existence of a third party intermediary in a crowdfunding activity also causes the existing processing costs to be expensive. Therefore, the crowdfunding system needs to be built in a decentralized manner so that it eliminates the need for third parties as intermediaries in the crowdfunding process. This study proposes a prototype of decentralized crowdfunding system using Ethereum blockchain and smart contract technology. The result of system functionality test using black box testing method shows that all functionality of the crowdfunding system can run properly while operate in decentralized architecture.
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