What is Gobetwino ?

Gobetwino (go between o) is listening on the serial port, for “commands coming from Arduino, and in response it will do something for Arduino and possibly return something to Arduino. Gobetwino defines a set of command types that can be

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Hardware Random Number Generator

I’ve been playing with various ciphers and encryption schemes, and needed a true random number generator to ensure secrecy. A Pseudo Random Number Generator uses a algorithm to produce a pseudo random number. If the algorithm can be determined, so

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Dissolved Oxygen Sensor

Looking for a way to detect dissolved oxygen levels? If you raise fish, this and a ph sensor are two important things to monitor (and of course, temperature), and an Arduino is the ideal platform to build upon. The Sensorex

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Dual water tank heater thermostat

I am just finishing up a project at work, which requires two water tanks to be maintained at 180F. Each tank has twin 1500 watt, 240vac heating elements, each controlled by a SSR (Solid State Relay). My Arduino Mega 2560

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