version 0.3

• made AD7173 pads longer for easier soldering
• made SPI connection pins match to Arduino
• moved all components to top layer for cheaper manufacturing

version 0.2

AD7173 breakout board

• 24 bit ADC
• 24 pins board
• 3 low noise LDOs
• power indicator LED
• input ferrite bead noise filter
• external crystal, for more stable operation
• 3 jumpers for low cost board, direct power input