ArduinoGotchi - A real Tamagotchi emulator for Arduino UNO

Synopsis

ArduinoGotchi is a real Tamagotchi P1 emulator running in Arduino UNO hardware. The emulation core is based on TamaLib with intensive optimization to make it fit into UNO's hardware that only comes with 32K Flash 2K RAM.

Fork notice

I did the following changes after forking original repo

• Created a platformio project, so it is easy to target multiple platforms
• Created ports for ESP8266 and ESP32, mainly because speed on 8-bit AVR is just too slow
• Added long click on "back" button - if you press it for 5 seconds, it will reset memory back to egg state
• Added inverted Speaker connection setting. Mainly because the Piezo modules that I have are active on Low. Another reason is mentioned below.

I personally assembled the ESP8266 version with Wemos D1 Mini on perf board, using built-in LED together with speaker, so when it sounds, LED is blinking as well.

Demo

How to build and run

Use Platformio. Run build task to build for all platforms. Next, run the Upload task for a specific platform

Additional notes

• To activate your pet, you have to configure the clock by pressing the middle button. Otherwise, your pet will not be alive.
• The emulator will save the game status every 5 minutes. You can change that by changing the AUTO_SAVE_MINUTES setting
• The speed of the emulator is a bit slower than the actual Tamagotchi device on AVR, still, it is fun. On ESPs it runs smoothly.
• There are a few costs in the platformio.ini that you can adjust to fit your needs:

  -D DISPLAY_I2C_ADDRESS=0x3C
  -D SCREEN_WIDTH=128
  -D SCREEN_HEIGHT=64
  -D ENABLE_TAMA_SOUND
  -D ENABLE_TAMA_SOUND_ACTIVE_LOW
  -D ENABLE_AUTO_SAVE_STATUS
  -D ENABLE_LOAD_STATE_FROM_EEPROM

Circuit Diagram

Wemos D1 Mini

License

ArduinoGotchi is distributed under the GPLv2 license. See the LICENSE file for more information.

Where to buy

You may support my work by ordering the kit on Tindie or Elecrow