# Reading data from the inputs of the device

The IO read node allows to read data from the digital inputs of the device and inject them into a flow.

1. Open Node-RED.
2. Add an IO read node from the Weidmüller category to the workspace.
3. Double-click the IO read node to open the Edit node dialogue.
4. In the drop-down list Input, select the desired digital input.
5. Click Done to apply your changes.
6. Add more nodes to the workspace and connect them to a flow with the IO read node being the first node.

7. ## NOTICE

   To filter a contact bounce at an input, use the debounce node.

1. After deploying the flow, the IO read node injects a message containing the input data into the flow.