199
edits
Changes
m
→PI4IOE5V6416 I2C GPIO Expander: more sctach'n and sniff'n last '?'
| 11 || P1_1 || J8 Pin 10 & R74 to GND (TP74)
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| 12 || P1_2 || ???U10 Pin 6 (TP75)
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| 13 || P1_3 || ???Select Input U11, HIGH for MicroSD SPI
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| 14 || P1_4 || ??? U18 Pin 17 via R480 Ohm (TP77)
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| 15 || P1_5 || U17 Pin 1 (TOUT) & J9 & Pull-up via R7