B benzyin New Member Apr 10, 2009 #1 i am building a timed switch to operate an audio device. the swich have to operate at a fixed time for a fixed period. for example i need to switch on a set of devices at 7.00PM and have to be on for 15 minutes, pls help
i am building a timed switch to operate an audio device. the swich have to operate at a fixed time for a fixed period. for example i need to switch on a set of devices at 7.00PM and have to be on for 15 minutes, pls help
B benzyin New Member Apr 10, 2009 #4 i could use a clock movement and with only hour needle attached. this will work nicely. but i was thinking one constructing one
i could use a clock movement and with only hour needle attached. this will work nicely. but i was thinking one constructing one
blueroomelectronics Well-Known Member Apr 10, 2009 #6 Or a wall timer with 15 minute resolution. Cheaper than building one.
K KMoffett Well-Known Member Apr 11, 2009 #7 benzyin said: really, i need to build one, not buy Click to expand... Is this a school project? Ken