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digifant edited this page Aug 18, 2015
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- hardware I2C (PCF8574P)
- software SPI (MCP3208)
- +5V, GND
| Pin # | Seeeduino Mega Pin | signal |
|---|---|---|
| 1 | +5V | |
| 2 | Pin 20 | I2C SDA |
| 3 | Pin 21 | I2C SCL |
| 4 | Pin 12 | SPI MISO / Datain |
| 5 | Pin A3 / 57 | SPI MOSI / Dataout |
| 6 | Pin 26 | SPI Clock |
| 7 | free | |
| 8 | GND |