Kitronik Relay Board Description This is a versatile relay board kit that can easily be configured via jumpers and trimmer potentiometers to do a range of tasks. Most sensor and switches can be connected to the input of the board and the trigger level set for the input device. This can be inverted if required, then there is the option to feed this straight to the relay or a timer of up to 25 https://elecena.pl/product/19056216/kitronik-relay-board 2021-07-13 https://elecena.pl/product/19056216/kitronik-relay-board 2025-07-09