Early bird Ardhat Basic+.

All the intelligence to interface to analogue and 5V systems in real-time, PLUS the ability to run the Raspberry Pi Unix machine securely and reliably, on or off the power-grid.

Includes basic Ardhat board with Arduino Shield compatibility, power management, battery charging and Real-Time Clock PLUS 3D accelerometer, gyro and compass AND High accuracy Barometer and Thermometer.

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