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'''Construction manuals''' | '''Construction manuals''' | ||
Horn, Delton T.: "21st-century electronic projects for a new age", 1992 | |||
Horn, Delton T.: "21st-century electronic projects for a new age", 1992 | |||
REAL Ghost Detector [http://www.instructables.com/id/REAL-Ghost-Detector/] | REAL Ghost Detector [http://www.instructables.com/id/REAL-Ghost-Detector/] | ||
Make a ghost detector. [https://www.youtube.com/watch?v=oA5cuLMHIsY] | Make a ghost detector. [https://www.youtube.com/watch?v=oA5cuLMHIsY] | ||