You can only sink 25mA of current on an output how have you got your relay wired? Have you used a transistor to drive it. There is probably not enough current to hold your relay in if you have wired it directly.
You can only sink 25mA of current on an output how have you got your relay wired? Have you used a transistor to drive it. There is probably not enough current to hold your relay in if you have wired it directly.