Indoor ROCK PI

Rock Pi ?? ??
2GB RAM
32GB eMMC
40 pin hat with mpcie slot with 1301 concentrator

Zebra hat pinout

CS (raspi GPIO24, raspi physical pin 18, rockpi pin gpioset 4 28=1 (from gpioinfo | egrep '^g|PIN_18))
RST (raspi GPIO17, raspi physical pin 11, rockpi pin 4 18)
BUSY (raspi GPIO27, raspi physical pin 13, rockpi pin 4 22)
IRQ (raspi GPIO22, raspi physical pin 15, rockpi pin 4 21)

pymc_core patch to go with this:

diff --git a/examples/common.py b/examples/common.py
index 826b542..0a6436c 100644
--- a/examples/common.py
+++ b/examples/common.py
@@ -121,6 +121,22 @@ def create_radio(radio_type: str = "waveshare", serial_port: str = "/dev/ttyUSB0
                 "coding_rate": 5,
                 "preamble_length": 17,
             },
+            "zebra": {
+                "bus_id": 0,
+                "cs_id": 0,
+                "cs_pin": 28,
+                "reset_pin": 18,
+                "busy_pin": 22,
+                "irq_pin": 21,
+                "txen_pin": -1,
+                "frequency": int(869.618 * 1000000),  # EU: 869.525 MHz,
+                "tx_power": 22,
+                "spreading_factor": 8,
+                "bandwidth": int(62.5 * 1000),
+                "coding_rate": 8,
+                "preamble_length": 17,
+                "use_dio3_tcxo": True
+            },
         }

         if radio_type not in configs:
diff --git a/examples/discover_nodes.py b/examples/discover_nodes.py
index 097be79..9a62b5b 100644
--- a/examples/discover_nodes.py
+++ b/examples/discover_nodes.py
@@ -149,7 +149,7 @@ def main():
     parser = argparse.ArgumentParser(description="Discover nearby mesh nodes")
     parser.add_argument(
         "--radio-type",
-        choices=["waveshare", "uconsole", "meshadv-mini", "kiss-tnc"],
+        choices=["waveshare", "uconsole", "meshadv-mini", "kiss-tnc", "zebra"],
         default="waveshare",
         help="Radio hardware type (default: waveshare)",
     )
diff --git a/src/pymc_core/hardware/gpio_manager.py b/src/pymc_core/hardware/gpio_manager.py
index 399a5da..7d1e003 100644
--- a/src/pymc_core/hardware/gpio_manager.py
+++ b/src/pymc_core/hardware/gpio_manager.py
@@ -44,7 +44,7 @@ logger = logging.getLogger("GPIOPinManager")
 class GPIOPinManager:
     """Manages GPIO pins abstraction using Linux GPIO character device interface"""

-    def __init__(self, gpio_chip: str = "/dev/gpiochip0"):
+    def __init__(self, gpio_chip: str = "/dev/gpiochip4"):
         """
         Initialize GPIO Pin Manager

@@ -77,7 +77,7 @@ class GPIOPinManager:
                 return chips[0]
             else:
                 logger.warning("No GPIO chips found, defaulting to /dev/gpiochip0")
-                return "/dev/gpiochip0"
+                return "/dev/gpiochip4"
         return gpio_chip

     def setup_output_pin(self, pin_number: int, initial_value: bool = False) -> bool: