A simple turtle crawler robot.

Used:

• 2x FS90R continuous rotation servos
• 3.7v LiPo
• ESP8266
• ESP8266 battery charging module

Servos wired to D5 and D6 on ESP8266. All power rails wired to 5v. Code creates an open wireless network called turtle ESP8266 opens on ws://192.168.4.1:81 websocket connection for commands. Refer to code for details, but supported commands are:

• f - move forward
• r - right turn
• l - left turn
• s - stop
• h - print help text
• c - show configuration
• rs