https://www.youtube.com/watch?v=5Tu4BAkZTjE
Mobile Robot programmed using BIPES / Blocks.
Parts: 2 servos for movement; 1 servo for sensor positioning; 1 HCSR04 ultrasonic sensor; ESP8266 module.
To access the program, just use the link:
http://bipes.net.br/beta2/ui/#iz4268
EasybotDS kit used: