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security advise for TX-mode
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Einstein2150 2024-03-05 20:22:32 +01:00 committed by GitHub
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gpio/wiegand/README.md
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@ -32,6 +32,10 @@ Here is how you wire up the MOSFET and the pull-down resistors:
- The gate pin of the MOSFET for D0 goes to pin B3 on the Flipper. (It should also already be connected to the pull-down resistor)
- The drain pin of the MOSFET for D0 goes to pin A4 on the Flipper.
## Warning
- There is a risk when the flipper is in TX mode and the output goes low. If the device is receiving data during this time there will be a short. For this reason be sure that absoulutely no cards are being scanned while the flipper is in TX mode.
## W4: 4-bit Wiegand
This format is used by some keypads. Digits 0-9 are sent as 0-9. ESC is sent as 10 and ENTER as 11. There is no parity bit. The application will display