Project #617, Vibration sounder project #618, Scr noise circuit – Elenco Upgrade Kit SC500 to SC750 User Manual

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Project #617, Vibration sounder project #618, Scr noise circuit | Elenco Upgrade Kit SC500 to SC750 User Manual | Page 53 / 148 Project #617, Vibration sounder project #618, Scr noise circuit | Elenco Upgrade Kit SC500 to SC750 User Manual | Page 53 / 148