Navigation Without Encoder Data with ROS

Job ID: 31163375

Budget: $30 – $250 USD

Hello Friends.

I want to create a navigating robot with ROS, this will be my final project and I really need to do this. ( ı have little robot ı created 3D printer )

Hardware List I Have:
Two DC motors
Rplidar
Raspberry pi 4 Model B

Software I have:
ROS melodic
Ubuntu 18.04

I've tried mapping and its variants before. ( hector_slam and cartographer )
I have a python file for differential driving and I can move it using the robot ( teleop ) with speed control.

I need to navigate.

Friends who want to work with me on this issue.

I will be glad if you reach me.

my English is bad. sorry.

thank u