RADIO_TURNOFF

Published:2009/7/12 21:05:00 Author:May | From:SeekIC

Time-delay control R2 canbe set to turn off radio,TV or other applianceat any desired interval between about 3 and 60 min after start buttonis pushed，ldealfol those who fall asleep to music. K1 is 12-V relay drawing 200 mA ot less.-P. Walton, An Electronic Timer for Less than $5.00, CQ, Aug. 1973, p 42 and 82.



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