Hardware Detail

Item Reference:	HW0328
Machine Type:	Arcom / MQTT	Serial Number:
	'Mousetrap Demo' - MQTT
	Programmable Logic Controller (PLC) made by Arcom Controls (now EuroTech), a vendor of SCADA (Supervisory, Control And Data Acquisition) equipment, mainly for the oil and gas industries. Arcom's president, Arlen Nipper and IBM's Andy Stanford-Clark collaborated on the development of the MQTT messaging protocol in 1998. MQTT is now an ISO/IEC standard (20922), and is the predominant messaging protocol for the Internet of Things (IoT). This device was the first commercially available product to implement the MQTT client software, and was used to publish data from sensors connected to it to a remote MQTT broker: WebSphere Message Broker. The device could also subscribe to commands, which it would pass on to actuators such as relays, pumps and valve controllers. Several thousand of these devices are still operating in production environments for large oil and gas companies in the USA. Andy’s ‘Mousetrap Demo’ was in use for many years in his garage, attached to a mousetrap.
Date of Origin:	1998	Donor:	Andy Stanford-Clark
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Location:	On Display - HLG03	Commissioned By: Museum	Until: