Scorpio 2

Is the "Scorpio 2" project . Working sonar based on HC-SR04 ultrasound module, Wemos microcontroller (ESP8266), and other parts. This toy can independently track targets and attack them. A cognitive toy, with the help of it you can understand the operation of sonar. See the video for more details, it has English subtitles. https://youtu.be/0uNzd1tjwxU