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This will not be a tutorial, just me reflecting on the process and sharing it!
Welcome to RoboCat, a cute pet without the mess! The RoboCat responds to any sounds above a certain range and if you press the red button you can give him some love. He doesn’t say much, but he’s guaranteed to make you feel a little better while working on an intense programming project.

- Arduino UNO
- MAX7219 8x8 Matrix Display
- SparkFun Sound Detector
- 16mm Panel Mount Button (red)
- Piezo Buzzer
- Adafruit Speaker 8 Ohm
- Resistor 10 kΩ
- 5v adapter
- 4cm MDF Board
- 4 cm Cardboard
- Dupont Cables
- Posca Pens (red & black)
- Light Grey Spraypaint
- Gluegun”

Link to article