mini-tank

Mini Tank

ESP32/8266 robot platform using two basic servos.

Credits

• 3D Print design and original idea from Francisco Carabaza @acicuecalo
• Icons and graphics from CanAirIO Project
• Original firmware AIRobot

TODO

• Two Joystick flavors (M5StickC and M5StickCPlus)
• Basic emoticons handling
• ESPNow implementation using the ESPNow Joystick library
• Servo control improvements. Thanks to @acicuecalo
• OTA update in boot
• Battery level
• SPI or I2C connection to MaxiPy nano camera ?

Wiring

The robot in the video has the next alternartive componentes:

• TTGO T7 ESP32 Board (is possible Wemos ESP8266, see below)
• D1 Mini proto PCB (for wire connections and connectors)
• D1 Mini OLED shield (optional)
• Two small servos (SG90 or compatible modified to 360¤)
• LIPO battery of 3.7v
• Two M3/M2 screws (also with servo screw maybe works)
• Two Rubber O-Rings Seal 35mm OD 31mm ID 2mm Width

The pins used to connect the servos are: 16,17.

Firmware

You can build and upload it using PlatformIO, with a simple command you upload both, Joysticks and Robot. Connect first the robot board and then the joystick to the USB of your computer and run:

pio run -e robot --target upload
pio run -e joystickM5StickC --target upload
pio run -e joystickM5StickCPlus --target upload

3D Printing

For 3DPrint files, build instructions and components details here