to mark as completed Say Hello to M.I.A.
This is M.I.A., a simple humanoid robot platform.
M.I.A. Basic Specifications
Microcontroller:
- Arduino Mega
Shield:
- Custom made shield
- Screw terminal for battery connection
- Low dropout voltage regulator LM2940 for microcontroller, EMIC 2 text-to-speech module, color sensor, LED eyes/mouth, Sharp IR distance sensor, LCD and PS/2 keyboard
- 6V voltage regulation for servos by voltage drop diode array
- Pin header connectors for 4 servos
- Pin header connector for Sharp IR distance sensor
- EMIC 2 text-to-speech module
- Reset push button
Head:
- 2 DOF (pan/tilt)
- RGB LED eyes
- LED mouth
- Small custom made LED driver PCB
Sensors/Interfaces:
- Color sensor based on TCS 3200 with collimating lens
- Sharp IR distance sensor
- Connector for PS/2 keyboard
Output devices:
- Loudspeaker 8Ω, 0.5W/EMIC 2 text-to-speech module
- 16x2 serial LCD blue
Propulsion:
- 2 modified HITEC HS645MG servos
- 2 Lynxmotion servo wheels - 2.63" x 0.35"
- 2 Caster wheels
Battery:
- 7.2V/3200 mAh/NiMH
M.I.A. is completely open source. I will publish the Gerber files for manufacturing the shield and the LED driver PCB later, the sketchup 3-D drawing is already attached. Currently I am building a prototype of M.I.A. and developing example codes.
Shield PCB prototype:
Robot prototype:
After development is finished I might try to sell M.I.A. as a kit and support a public welfare foundation with the proceeds (for instance cancer research).
The assembly instructions are listed on the end of this post
Assembly Instructions
Interacts with its environment and human beings and learn from them
- Actuators / output devices: 1 Red Led, 2 continues rotating servos, loudspeaker, 16 x 2 LCD, 2 Standard Servos, 2 RGB LED
- Control method: autonomous
- CPU: Arduino Mega
- Power source: 7.2V/3200 mAh Ni-MH
- Programming language: Arduino C
- Sensors / input devices: Color Sensor, Sharp IR, PS/2 Keyboard
- Target environment: indoors