L Les Jones Well-Known Member Most Helpful Member Dec 28, 2018 #2 It depends on the current required by the coils on the relays. The sum of the coils currents must be less than the 555 output current rating. (Which according to the data sheet is 200 mA.) Les.
It depends on the current required by the coils on the relays. The sum of the coils currents must be less than the 555 output current rating. (Which according to the data sheet is 200 mA.) Les.
MikeMl Well-Known Member Most Helpful Member Dec 28, 2018 #3 Barely one automotive 12Vdc sugar cube relay.
gophert Well-Known Member Most Helpful Member Dec 29, 2018 #4 pvpk1971 said: How many relays can be operated with single 555 output. Click to expand... With the help of a Mosfet, many. Driving relays directly with a 555, usually just one.
pvpk1971 said: How many relays can be operated with single 555 output. Click to expand... With the help of a Mosfet, many. Driving relays directly with a 555, usually just one.