Can a 555 timer stop pulsing when damaged?
have 555 hooked relay , reason when 555 powered, relay doesn't open , close @ 1hz want to, stays in 1 position (closed) , when power off relay opens up. 555 acts wire relay when powered , doesn't pulse. result of? being damaged soldering directly it? didn't place iron on each pin long amount of time however. timer defective?
thank you! :)
i have 555 hooked relay , reason when 555 powered, relay doesn't open , close @ 1hz want to, stays in 1 position (closed) , when power off relay opens up. 555 acts wire relay when powered , doesn't pulse. could...
Science & Mathematics Engineering Next
Comments
Post a Comment