These are completed activities.

This is a wildcard tag search. Please enter a tag without wildcards to display lead wiki pages.

Wildcard tag searches use the * asterisk in their URLs

Notes on activity:* by warren


Make a lightweight camera rig from corrugated plastic or cardboard

by warren 11 days ago | 2 | 123 | 1

When kite mapping with mini cameras, #gopro or #mobius cameras, I like to use a ...

Read more


Use Image Sequencer for NDVI plant analysis with a modified mini sport camera

by warren 15 days ago | 0 | 88 | 0

This tutorial shows how to use Image Sequencer to take a...

Read more


Use Image Sequencer for NDVI plant analysis with 2 images

by warren 3 months ago | 7 | 283 | 2

This tutorial shows how to use Image Sequencer to take two DIY multispectral ...

Read more


Prototype: filter map tiles in real-time in a browser with ImageSequencer (NDVI Landsat)

by warren 3 months ago | 7 | 424 | 1

I've been working with the new Image Sequencer, a Public Lab project, to try ...

Read more



Prepare an SD card for a Raspberry Pi camera from scratch

by warren 4 months ago | 3 | 349 | 2

In a perfect world, our Raspberry Pi Zero W would hook up to the camera, connect to the wifi, and...

Read more


Hand-cut or lasercut a simple DIY microscope stage

by warren 4 months ago | 1 | 214 | 1

We're working on simpler and cheaper ways to make good DIY microscopes, working from this @partsa...

Read more


Collaboratively document an event with a mini newspaper

by warren 5 months ago | 2 | 193 | 2

Documentation can be tough at a big, busy event like our Barnraising! We see this activity as a l...

Read more


Visualize live sensor data with p5js and an Arduino

by warren 6 months ago | 7 | 610 | 2

(This is a draft!) I made a simple p5js sketch (read below) to live sensor data off of an Arduino...

Read more



Assembling the Public Lab Lego Spectrometer

by warren 8 months ago | 10 | 2,433 | 7

Follow these steps to assemble a Lego Spectrometer, for use with the Raspberry Pi...

Read more


Embed a Q&A system on another website

by warren 8 months ago | 0 | 147 | 1

Our Q&A system is based at https://publiclab.org/questions -- ...

Read more



Help document how to connect different sensors to a data logger

by warren 8 months ago | 0 | 262 | 1

We have a range of data logger projects on the site, most of which are Ardu...

Read more




Build a papercraft spectrometer for your phone -- version 2.0

by warren 9 months ago | 1 | 10,375 | 6

After a few years, we're returning to one of our oldest kits to update and improve it, building o...

Read more


Make a narrow slit for a DIY spectrometer out of paper

by warren 9 months ago | 1 | 2,204 | 3

Spectrometers (see #spectrometry) require a narrow slit for light to pass through, so you can get...

Read more


Use Git and GitHub to contribute and improve Public Lab software

by warren 9 months ago | 0 | 216 | 1

Public Lab software is written in many languages, and each project may have its own guidelines fo...

Read more



Draft: Find the concentration of a liquid with a DIY spectrometer

by warren 9 months ago | 3 | 1,502 | 1

If you have a solution of unknown concentration -- for example, a water sample that's greenish or...

Read more


Scan and compare different gases (in discharge tubes, like neon) using a DIY spectrometer

by warren 10 months ago | 0 | 860 | 2

A common classroom activity I remember is to scan different excited gases (safely inside glass tu...

Read more


Set up a Mobius Action Cam for timelapse

by warren 10 months ago | 0 | 498 | 2

The Mobius Action Cam is used in the Infragram Point & Shoot, and ...

Read more


Change the white balance (or other configuration) on a Mobius camera

by warren 10 months ago | 0 | 409 | 2

This is part of the documentation of the Infragram Point & Shoot b...

Read more



Getting started with infrared photography on Infragram.org

by warren 10 months ago | 0 | 532 | 1

This tutorial walks through working with images on Infragram.org, which is an ea...

Read more


Update firmware on the Mobius Action Cam

by warren 10 months ago | 0 | 269 | 1

If you're having trouble setting the white balance on your Mobius Action Cam (used in the [Infrag...

Read more


Install a filter or change the lens in a Mobius Action Cam

by warren 10 months ago | 0 | 452 | 2

This activity shows how to install a custom filter and/or change the lens in the Infragram Point ...

Read more