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Do Not Disturb PCB pattern (PDF download) [12104131] PDF with the Do Not Disturb/Off-Hook Timer PCB design (single-sided). Cat No SC1856. Price: Free Files: Do Not Disturb PCB (12104131).pdf (15.3KB) Related to: Project: Do Not Disturb Telephone Timer (May 2013 [print issue] [online issue]) Other items relevant to this project: Do Not Disturb PCB [12104131] ($10.00) Add to trolley PIC12F675-I/P programmed for Do Not Disturb [1210413A.HEX] ($10.00) Add to trolley Firmware for the Do Not Disturb timer [1210413A.HEX] (Free) Add to trolley Do Not Disturb panel artwork (PDF download) (Free) Add to trolley