NixieAdding a pneumatic HVAC valve to the mess.
The cheapest HVAC valve I could find was pneumatic, so a miniature compressor and associated paraphernalia have had to be added to operate it.
Blog post about it: https://electronicmercenary.wordpress.com/2018/05/06/gatekeeper/
Discussions
Become a Hackaday.io Member
Create an account to leave a comment. Already have an account? Log In.