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Isolated eC interface
IsoEC is an electrical conductivity interface with galvanic isolation that outputs data via I2C. It is able to select its gain range to adjust to the various KCell constants that probes come in and is a very cost effective solution for …
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Ion Selective Electrode Interface
IsoIon is an Ion Selective Electrode interface with galvanic isolation that outputs data via I2C. It is able to select its gain range to adjust to the various ISE probe types and is a very cost effective solution for adding pH, …
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MinieC I2C eC interface
MinieC eC interface is a very cost effective solution for adding eC sensing capability to any project. This unit takes the analog complexity out of measuring the conductivity of a solution. [repo path=”SparkysWidgets/MinieCHW”] While working with Peter from ManyLabs/WireGarden, we …
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HandheldWaterQualityMeter
This project is the combination of years of design, research and innovation in water quality meter construction. Derived from proven designs this unit is a virtual mobile lab in term of water quality sensing. Most water quality meters are designed …
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DIY Solder Paste Dispenser
This DIY Solder Paste dispenser is an easy project to build, so I thought I would share the details a bit with everyone! When possible I like to build my own tools, it makes sense especially when you have most …
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Open Water Quality Sensors
A collection of Open Source Hardware water quality sensors, including designs to interface common pH, eC, DO probes. Developed over the years to be open, easy to use, accurate and effective. These are designed to be added to any type …
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I2C Isolation Breakout
A simple way to provide galvanic I2C isolation to any I2C peripheral, sensor, breakout board, etc… this breakout board even uses a single supply on the “primary” end to make seamless integration with existing products possible! An added bonus means …
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How to Solder
Ah I love the smell of burning flux in the morning it smells like soldering….. One of the great things about designing electronics is getting to build them. While Some Makers send their projects off to CMs to get assembled, …
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Ardunio Fork LeoPhi- custom Arduino IDE build
A brief writeup on some of the pitfalls I encountered when I created a Leonardo derivative board (LeoPhi) and had to build a custom Arduino IDE. hopefully this will help those working on their own boards. In the end I …
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DIY pH Meter
For Maker Faire 2013 I wanted to demonstrate the use of some of my widgets in a very simple way. One of the best ways I thought would be to create handheld pH meter similar to what is commercially available …
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MinipH I2C pH Interface
MinipH pH interface is a very cost effective solution for adding pH sensing capability to any project. while it only uses I2C communications for digital output it also contains an analog output which can be used in conjunction with the …
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LeoPhi USB enabled Arduino pH sensor interface
LeoPhi Arduino pH sensor is the next extension to our pH interface tutorial, by adding an Atmega32u4 and using a modified Arduino Leonardo bootloader we have made an easy to use, easy to program and very flexible unit. Many users asked …
