seven switch what would cause it to be always on just power connected?
July 03, 2014 05:00AM
Hi I built a seven switch a while ago no clue what version the circuit was but I diconneced everything but power and the led is still on. BTW this board used to work fine as in steer a fan

terramir

Edited 1 time(s). Last edit at 07/03/2014 05:01AM by terramir.
Re: seven switch what would cause it to be always on just power connected?
July 03, 2014 08:17AM
Is it a SevenSwitch 1.1? Then this behaviour is normal, it picks up random noise which is sufficient to switch the MOSFET. There's no harm with this, because as soon as you connect the signal line it'll behave properly. Nevertheless you can upgrade to v1.2: [reprap.org]


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