Hi
You can easily find many such projects on EG, here are some of them:
1.https://www.engineersgarage.com/contribution/mobile-controlled-robot
2.https://www.engineersgarage.com/contribution/cell-phone-controlled-robot-without-microcontroller
3.https://www.engineersgarage.com/contribution/remote-controlling-dc-motor-using-rf-module
4.https://www.engineersgarage.com/electronic-circuits/dc-motor-control-circuit-wireless-rf
5.https://www.engineersgarage.com/contribution/ir-remote-controlled-dc-motor-using-arduino
6.https://www.engineersgarage.com/contribution/ambhatt/ir-remote-dc-motor