Bolt +arduino uno or nodemcu

how to connect bolt with arduino uno or nodemcu

Assuming you want a communication channel between arduino and bolt module, you may look up

for serial communication between the two.

Go through this link , i hope it helps. I would like to say that connections/configuration may change according to your project.You want to connect bolt and arduino but for what purpose? Learn connecting the two via this small project.
Credits for link : Arduino project hub