Relays Not Turning Off at Amelia Woodhouse blog

Relays Not Turning Off. Basically what you are describing is impossible, we. When relay is supposed to be off (power button off), it reads around 10v. I know how to wire them and they work fine for the most of the time. If the controller leaves the relay turned on for a long time (~ 1 hour), the relay then refuses to turn back off when it receives the. Relay in expects 0volt (on) or 5volt (off). Some relay modules work with 3.3volt logic, others don't. I can confirm that the corresponding led on the relay for channel 4 does blink for 1 second and stay off for 1 second, which i'm expecting it's meant to do. An arduino with 3.3volt logic outputs 0volt or 3.3volt on pin 10 (not 0 or 5volt). Even if you solve a possible failure or misconcept with the optocoupler, a pulldown resistor at the base of q5 would be a. But when the relay is supposed to be on (power button switched on), it only reads around 1.6v. Have you tested the continuity on the relay contacts when on and off. I have a question about relays used by an arduino. It is possible that you will not hear the off click. I am switching a 12v load with a relay but i am having a problem where the relay turns on but doesn't turns off. Your relay always on problem is a common one.

I am switching a 12v load with a relay but i am having a problem where the relay turns on but doesn't turns off. Have you tested the continuity on the relay contacts when on and off. Some relay modules work with 3.3volt logic, others don't. An arduino with 3.3volt logic outputs 0volt or 3.3volt on pin 10 (not 0 or 5volt). Relay in expects 0volt (on) or 5volt (off). Basically what you are describing is impossible, we. But when the relay is supposed to be on (power button switched on), it only reads around 1.6v. When relay is supposed to be off (power button off), it reads around 10v. Even if you solve a possible failure or misconcept with the optocoupler, a pulldown resistor at the base of q5 would be a. I know how to wire them and they work fine for the most of the time.

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Relays Not Turning Off Have you tested the continuity on the relay contacts when on and off. Relay in expects 0volt (on) or 5volt (off). I know how to wire them and they work fine for the most of the time. If the controller leaves the relay turned on for a long time (~ 1 hour), the relay then refuses to turn back off when it receives the. I have a question about relays used by an arduino. Some relay modules work with 3.3volt logic, others don't. Basically what you are describing is impossible, we. But when the relay is supposed to be on (power button switched on), it only reads around 1.6v. I've never worked with an. Even if you solve a possible failure or misconcept with the optocoupler, a pulldown resistor at the base of q5 would be a. An arduino with 3.3volt logic outputs 0volt or 3.3volt on pin 10 (not 0 or 5volt). I am switching a 12v load with a relay but i am having a problem where the relay turns on but doesn't turns off. It is possible that you will not hear the off click. Your relay always on problem is a common one. When relay is supposed to be off (power button off), it reads around 10v. Have you tested the continuity on the relay contacts when on and off.