Q12- i- What is a node of NodeRED, ii- What does a node process? iii- Which node can get an ASCII text from UART? iv- Which node can transfer text to NodeRED when clicked on dashboard v- Which node can transfer commands through UART to a low-end processor. Q13- How can you connect a serial output of Arduino simulation to the NodeRed Serial Node? Q14- For the given NodeRED diagram i- If you click on the left button of "c320 hello" node, where does the message appear? ii- If Arduino transmits "0", "1", .., "9" periodically at every 2 seconds, what will appear on the dashboard