Serial Monitor shows weird characters

Serial Monitor on Arduino IDE displays weird characters. How can I solve it?

Answer

Make sure that the serial baudrate in your code and in Serial Monitor are the same
Make sure that serial pins (pin 0 and pin 1 on Arduino Uno and Mega) are NOT used for another purpose

Buy Arduino

	1 × Arduino UNO Buy on Amazon
	1 × USB 2.0 cable type A/B Buy on Amazon
	1 × Jumper Wires Buy on Amazon

Please note: These are Amazon affiliate links. If you buy the components through these links, We will get a commission at no extra cost to you. We appreciate it.

The Best Arduino Starter Kit

See the best Arduino kit for beginner

Serial Monitor shows weird characters

Buy Arduino

The Best Arduino Starter Kit

See Also