The design features an Arduino Mini Pro 328, 2.2-inch TFT liquid crystal display (LCD), DRA818U voice transceiver module, electret condenser microphone, speaker, and buttons for channel/frequency selection and push-to-talk capability. Bitmap images are stored on a microSD card and displayed on the LCD to indicate the currently selected channel. A 2000mAh Lithium-Polymer battery provides more than 20 hours of playtime before recharging is necessary.
This design is distributed under a Creative Commons Attribution-3.0 United States license. It is not for sale.
- Block Diagram
- Assembly Drawing
- PCB: Gerber Plots and OSH Park
- Source Code: Arduino
- Slides: Activate Engineer Powers! Creating a Real-Life Creaturepod
- Pictures (Flickr)