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This paper proposes a LoRa-based LPWAN vehicle diagnostic system, called i-car system, for driving safety. The proposed i-car system consists of a remote diagnostic system, a LoRa gateway, and a cloud platform. The remote diagnostic system in a vehicle includes a LoRa module, an Arduino (Uno), and an OBD-II bridge. The OBD-II Bridge can read some vehicle information to detect whether is abnormal (like...
In this paper, we propose a low-cost Zigbee network based multi-application sensor, which is capable of door open/close and water leakage detection for smart homes. The proposed multi-application sensor consists of a MCU, a tamper switch for anti-theft, and a water-leak switch for detecting water leakage or a reed switch for opening/closing door. We design a unique firmware program executing on the...
This paper proposes a multi-protocol automotive gateway, which supports three popular communication protocols, CAN bus, Wi-Fi, and RS-232. The proposed gateway is implemented on an embedded Linux system ported to an ARM development board. A dedicated application is designed to deal with the information exchange among the ports of the gateway. An ACL is implemented to control the permission of data...
This paper presents an embedded debugging/performance monitoring engine (EDPME), which is capable of collect run time characteristics, detect AHB on-chip bus protocol error/inefficiency, and capture on-chip AHB bus traces at various abstraction levels with compression ratio up to 98% for a low cost tile-based 3D graphics SoC development.
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