Good device
This is a good device, easy to use, easy to install, in particular because power can be AC or DC and wide range, and outputs for the traffic lights don't need resistors. It can use continental or UK sequences. However, please be aware of the following: 1) one output is for common cathode diodes, and the other for common anode, and work synchronously. This means that with this controller I can not find a suitable mounting for controlling lights in road crosses 2) It is better to use (small) resistors for each light if you control several with the same output, as LEDs are very sensitive to current and so, without resistors, is one as a conducting voltage a little bit different from the other, it will not light up...because the other one will get all the current 3) To start operation it is needed to press a pushbutton, i.e. to provide a up/down transition after applied power. It would be better if we could do this automatically (when needed) by a low to high transition with resistir + capacitor like a power-on reset. Anyway it is a good device, no doubt, and I would recommend it.
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