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Initialisation depot

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Serge NOEL
2026-02-10 12:12:11 +01:00
commit c3176e8d79
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47
ESP32/DCC-Loco/Hardware/railcom.ditaa Normal file
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ESP32-H2 GPIO10 (UART1 TX)
|
v
+-----+-----+
| 1kΩ | Pull-up
+-----+-----+
|
+--------+
| |
+-----+-----+ |
| NPN BJT | | BC817 or 2N3904
| Q1 |<-+
+-----+-----+
|C
|
+-----------+
| |
+----+----+ +---+---+
| 10Ω | | 100pF | Snubber
+----+----+ +---+---+
| |
+-----------+--------> To Track (via DCC cutout)
|
|
+-----+-----+
| 10kΩ | Pull-down
+-----+-----+
|
v
GND
RailCom Cutout Detection (Optional GPIO11)
Track Signal ---+
|
+---+---+
|Voltage| Resistor divider
|Divider| 22kΩ / 10kΩ
+---+---+
|
+---> GPIO11 (Cutout Detect)
|
+---+---+
| 0.1µF | Filter capacitor
+---+---+
|
GND