Open Collective
SEM TECH
Contribute
About

Become a contributor

These are all the ways you can help make our community sustainable.

Recurring contribution
Lab Backer

$5 a month keeps chemicals, membrane materials, and consumables flowing for the open-source lab. Every test gets published free under CERN-OHL-S.

Starts at
$5 USD / month
Recurring contribution
Pilot Sponsor

$100 a month funds pilot hardware: pumps, electrodes, sensors, and filtration parts for the continuous system. Sponsors get their name or logo on r... Read more

Starts at
$100 USD / month
Custom contribution
Donation
Make a custom one-time or recurring contribution.