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- Arduino Mega (keyestudio)
- 480x320 LCD with SD
- Battery 2500 mAh
- Battery charging circuit Type-C
- Voltage converter (3.7 - 5v)
- Voltage converter (5v - 3.3v)
- i2c level converter (5v - 3.3v)
- Real-Time Clock DS3231
- 6 multiplexors TCA9548A (alternative)
- 76 sensors
