Update README.md

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MooCat 2026-06-13 13:00:14 -04:00 committed by GitHub
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@ -150,7 +150,7 @@ Pin FUNCTION
1 VCC (3.3v constant) 1 VCC (3.3v constant)
2 GND (continuity to DC negative) 2 GND (continuity to DC negative)
3 TX (3.3v high, fluctuating during transmission while device is powered, dead when device is unpowered) 3 TX (3.3v high, fluctuating during transmission while device is powered, dead when device is unpowered)
4 RX (3.3v high, fluctuating during transmission while UART device powered, dead when UART device unpowered) 4 RX (3.3v high, fluctuating during transmission, most likely dead unless UART device is connected)
Note: this has been verified with a multimeter, it is the most common used pinout layout Note: this has been verified with a multimeter, it is the most common used pinout layout