Mainboard Version 2.0

Features:

• Expansion ports now pin-for-pin compatible with Raspberry Pi.
• 5V Critical Power available on expansion ports.

Mainboard Version 1.2

Now contains an on-board power supply.

Features:

• 2.5A 5V, 500mA 3.3V switching regulators with shutdown signal.
• 500mA 5V constant (critical) switching regulator.
• Power supply monitoring via ATMega328.

Mainboard Version 1.1

Bug fixes:

• I2C was overlapping ground for Port 4.
• GND net label was used in place of ground symbol, reducing effectiveness of ground fill.
• Capacitors were too distant from pins.
• M3 holes in place of too small M2 holes.

Features:

• 5V now supplies Raspberry Pi.

Mainboard Version 1

Version 1 of the Pathfinder Mainboard.