Analog Clock And Temperature sensor On An Oscilloscope using Arduino

Posted on Feb 5, 2014

Scopeclock is an easy to use hardware to make your X-Y capable analog oscilloscope more useful. Using this simple to use hardware you can convert your analog oscilloscop

Analog Clock And Temperature sensor On An Oscilloscope using Arduino
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e into a scope clock. This project was me and my friend kshitij gupta at CEDT nsit under the guidance of Prof. Dhananjay V. Gadre. Analog clock Mode This is the default mode of operation. When the arduino is reset an analog clock appears on the oscilloscope screen. It keeps accurate time using clock hands. The mode is controlled by a push button. On pressing and releasing the pushbutton an interrupt is generated which changes the mode to Thermometer which displays the current temperature of the surrounding. After a few seconds the mode changes to analog clock A Digital-to-Analog converter (DAC or D-to-A) is a device that converts a digital (usually binary) code to an analog signal. Digital-to-analog conversion can degrade a signal, so conversion details are normally chosen so that the errors are negligible. Due to cost and the need for matched components, DACs are almost exclusively manufactured on integrated circuits (ICs). There are many DAC architectures which have different advantages and disadvantages. The suitability of a particular DAC for an application is determined by a variety of measurements including speed and resolution. Depending upon the requirement we can use a 2 or more bit resolution DAC. Although many types of DAC configuration are available, an R-2R Ladder is the simple and inexpensive way to perform Digital-to-Analog conversion, using repetitive arrangements of precision resistor networks in a...

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