Bill of Materials

• Raspberry Pi 3 - R$ 229,90
• USB Power Brick USB 5V ~ 3A + Micro USB Power Cable - R$ 34,90
• 16 GB SD Card - R$ 29,99

LED PCBA

• 1x - LED PCB
• 1x - PCF8591 - 8-bit A/D and D/A converter - 2,5 V to 6 V - I²C Interface
• 1x - MAX9812 - Microphone with Amplifier - 3,3 V - Analog Output
• 1x - ULN2023 - High-Voltage, High-Current Darlington Transistor Arrays
• 13x - LEDs
• 6x - SMD 0805 - 68 ohm
• 1x - SMD 0805 - 100 ohm

Bonus

• Bluetooth Speaker (SW) - R$ 38,90