The CEE (Control Experiment Explore) by Nonolith Labs is an open source analog multitool that lets you measure and control voltage and current. With the CEE you will have a two channel, two-quadrant, three-digit source measure unit in the palm of your hand. Simply plug the CEE into your computer via Mini-B USB, run the multitool's user interface (Pixelpulse), and start controlling and exploring the voltage and current of whatever is connected, it's that simple!
The CEE's user interface, Pixelpulse, is a free and easy to use web app that works inside of an internet browser. Pixelpulse is also a cross-platform web app, meaning, it is compatible with Windows, Mac, and Linux. Once you have your CEE plugged in and Pixelpulse running, you will be able to measure the AC and DC characteristic of any attached part, control voltage and current in real time, explore semiconductor curve tracing, and visualize and generate waveforms.
If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Experienced - You will need to consult a datasheet for calculations to determine a components output format, linearity, and do a little math to get what you need. You will be using a datasheet or schematic beyond basic pinouts.
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Based on 1 ratings:
I build audio gadgets for electric guitar. This little tool has helped me visualize and fix things for a price that can't be beat. My only complaints are that a) PixelPulse is kinda weak sauce and b) you can't source a sine wave that dips below zero volts. Neither gripes are showstoppers, so I can honestly recommend this item. I would buy it again because of how cost effective it is.