A few links to other low-cost scanning probe microscope projects:

• John Alexander’s simple STM project
• Jürgen Müller’s STM project
• University of Münster SXM project
• The Teaching AFM
• A Low Cost DIY Atomic Force Microscope
• Joseph Gatt’s amateur STM
• Jim Rice’s homebrew STM
• Glenn Durden’s STM project
• Ralf Wehling’s STM