BLEBot - a phone controlled/autonomous 2WD robot based on nRF51822

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In this project, we will build a two-wheeled robot based on the Nordic nRF51822 BLE SoC. Motor control for the two wheels of the robot will be done using an L293D chip. The robot can be controlled using any mobile device that has BLE, and when not connected, it switches to an autonomous mode, avoiding obstacles using an HC-SR04 ultrasonic sensor.

I think it’s quite impressive that this tiny Nordic SoC can handle an ultrasonic sensor, control two motors, blink an LED, and handle BLE communications at the same time.

Read the full project here:

http://electronut.in/blebot/

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