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Month: November 2014

Emulating An Arduino Sketch in a Spreadsheet

Many times I’ll mock up my Arduino formulas in a spreadsheet before I start building a sketch. One of the more complicated Arduino commands to emulate is the MAP command. The Arduino code: height = map(adc, 171, 512, 12, 0);

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The MQTT Connection

MQTT stands for MQ Telemetry Transport. It is a publish/subscribe, extremely simple and lightweight messaging protocol, designed for constrained devices and low-bandwidth, high-latency or unreliable networks. The design principles are to minimise network bandwidth and device resource requirements whilst also

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Arduino Networking

As much fun as it is connecting sensors to an Arduino, and displaying data on a LCD, lighting LED’s, or other local actions, the real power is when you connect to a network. Whether it’s a local network and you

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