So I have two questions: Why do I have to remove RX and TX digital pins before uploading a sketch I made a robot car. It can work both on bluetooth manually and autonomous "mode" where it works as an obstacle avoider. I want to have the ability to switch between the two modes using something my a …

RX and TX and scripting question

Topic		Replies	Views
Trouble Using RX(0) and TX(1) as Digital I/O LEDs and Multiplexing	13	14577	May 6, 2021
How to disconnect the RX,TX pins from Bluetooth module for sketch upload? General Guidance	9	3150	May 5, 2021
How do i use TX/RX (0 and 1) pins??? IDE 1.x	4	1290	May 5, 2021
Arduino Pro + Bluetooth Mate Silver General Guidance	2	3018	May 5, 2021
Double-checking on the use of Rx and Tx pins Networking, Protocols, and Devices	4	928	May 6, 2021