Computing
Running SSL with DreamHost
For a WordPress installation you could just secure the admin areas and thus avoid the yearly fee.
Research LInks
- Really Simple SSL – WordPress plugin
- Google: make your own SSL certificate
- OpenSSL Essentials: Working with SSL Certificates, Private Keys and CSRs​
- Dreamhost:Help: How do I obtain an SSL Certificate
Computing
Mini Desktops available on the secondary market
Available on ebay. Ebay: Qotom
Qotom Mini Desktop Computer with 4 serial ports
Other SFF USFF form factor computers
- ThinkCentre M900
- ThinkCentre M72e
- Ebay: Prime Systems desktop
- Ebay: HP Compaq 6000 Pro SFF – not so small but cheap!
- Ebay: ThinkCentre M93p – has wifi and serial port. CD add on module plentiful
- Ebay: Mini Desktop
- Ebay: Optiplex FX160
- Ebay: Z83II
- Ebay: Lenovo M91p
Related Work
Computing
LASER Printers – How they work and subsequent uses of their parts
Research Links
- Wikipedia: LASER printing
- Google: LASER printer hexagonal mirror
- YouTube: How To Run an HP LaserJet 4P Polygon Mirror Motor – Technical details
- YouTube: Direct LASER printing
- YouTube: Home Made LASER exposer
There are many applications for LASER printer parts detailed on YouTube and elsewhere.
A video of the hexagonal mirror in operation. It spins very rapidly and must have an indexer to allow position and speed control.