danners430
Member
Good afternoon all,
I'm wondering if it's possible to interface with a DCC decoder easily?
The problem is the way these decoders work - they use low-side (NPN) switching, with a common positive and separate negative "outputs". Is there a way for a PICAXE to detect that one of these lines has been activated, and if not is there external circuitry which could convert this to the required logic signal?
Cheers
I'm wondering if it's possible to interface with a DCC decoder easily?
The problem is the way these decoders work - they use low-side (NPN) switching, with a common positive and separate negative "outputs". Is there a way for a PICAXE to detect that one of these lines has been activated, and if not is there external circuitry which could convert this to the required logic signal?
Cheers