Tag: gadgets

Jan312011January 31, 2011January 31, 20110Commentby L.

Fluorescence retrofit

Posted in Hardware

This is a cute little product that lets you retrofit a standard microscope for fluorescence. It contains an LED light source, dichroic, and filters. It may be clumsy to have this big blue cannon jutting…

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Oct082010October 8, 2010October 8, 20105Commentsby L.

Arduino – a simple microcontroller

Posted in Hardware

Arduino is a popular, cheap (around 25 USD), and open source microcontroller platform. We use them all over the lab. Students can learn to program them very quickly, they’re versatile, and there is a…

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Sep282010September 28, 2010September 27, 20104Commentsby L.

3D Printed Equipment from the DeRisi Lab

Posted in Hardware

The DiRisi Lab at UCSF shares their STL files for 3D printing some equipment. There’s a pipette holder, several gel combs, an objective case, and more. You can print your own with…

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Aug212010August 21, 2010August 21, 20100Commentby L.

Simple blue laser kit

Posted in Hardware

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Jun302010June 30, 2010June 30, 20104Commentsby L.

Lickometer circuit

Posted in Hardware

Lickometers detect when an animal, usually a rodent, licks a water port. They’re useful in all sorts of behavioral tasks, ranging from addiction experiments (spike the water and see how much they consume), to…

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Jun232010June 23, 2010June 23, 20100Commentby L.

A TTL-operated switch
for coaxial cables

Posted in Hardware


This is a little gadget I find handy sometimes. It lets me use a TTL line to select between two routes for a coaxial cable. It’s dirt simple– just an SPDT relay– and I’ve…

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