Thursday, August 14, 2014

DIY Potentiostat - CheapStat

CheapStat: An Open-Source, “Do-It-Yourself” Potentiostat for Analytical and Educational Applications.

CheapStat - DIY Potentiostat

CheapStat, an inexpensive (<$80), open-source (software and hardware), hand-held potentiostat that can be constructed by anyone who is proficient at assembling circuits. This device supports a number of potential waveforms necessary to perform cyclic, square wave, linear sweep and anodic stripping voltammetry.

CheapStat - DIY Potentiostat

The device supports cyclic, square wave, linear sweep and stripping voltammetry over the potential range −990to +990 mV and over frequencies from 1 to 1000 Hz. The device supports a range of environmental, food and drug quality control, and educational applications. The reverse of the circuit board supports a three-line LCD display and a joystick, which is used to select an experiment protocol, change its parameters (frequency, starting voltage, end voltage, scan rate), and initiate the experiment.

The device's schematics, parts lists, circuit board layout files, sample experiments, and detailed assembly instructions are available in the supporting information and are released under an open hardware license.


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