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78242c Peter van Dijk 2026-02-12 13:08:44 1 
# Indoor ROCK PI
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[datasheet](https://helium.nebra.com/datasheets/hotspots/rockpi/RockPi-Helium-Miner-Datasheet-v2-1.pdf)
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* Rock Pi ?? ??
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* 2GB RAM
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* 32GB eMMC
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* 40 pin hat with mpcie slot with 1301 concentrator
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*
8fdd19 Peter van Dijk 2026-02-12 13:27:49 10
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## Zebra hat pinout
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* CS (raspi GPIO24, raspi physical pin 18, rockpi pin `gpioset 4 28=1` (from `gpioinfo | egrep '^g|PIN_18`))
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* RST (raspi GPIO17, raspi physical pin 11, rockpi pin 4 18)
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* BUSY (raspi GPIO27, raspi physical pin 13, rockpi pin 4 22)
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* IRQ (raspi GPIO22, raspi physical pin 15, rockpi pin 4 21)
c41b2d Peter van Dijk 2026-02-12 19:30:14 17
c059dd Peter van Dijk 2026-02-12 20:42:58 18
pymc_core patch to go with this (the pymc_core "new radios" branch which will hopefully release soon should make this patch obsolete):
c41b2d Peter van Dijk 2026-02-12 19:30:14 19
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```diff
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diff --git a/examples/common.py b/examples/common.py
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index 826b542..0a6436c 100644
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--- a/examples/common.py
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+++ b/examples/common.py
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@@ -121,6 +121,22 @@ def create_radio(radio_type: str = "waveshare", serial_port: str = "/dev/ttyUSB0
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"coding_rate": 5,
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"preamble_length": 17,
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},
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+ "zebra": {
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+ "bus_id": 0,
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+ "cs_id": 0,
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+ "cs_pin": 28,
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+ "reset_pin": 18,
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+ "busy_pin": 22,
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+ "irq_pin": 21,
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+ "txen_pin": -1,
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+ "frequency": int(869.618 * 1000000), # EU: 869.525 MHz,
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+ "tx_power": 22,
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+ "spreading_factor": 8,
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+ "bandwidth": int(62.5 * 1000),
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+ "coding_rate": 8,
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+ "preamble_length": 17,
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+ "use_dio3_tcxo": True
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+ },
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}
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if radio_type not in configs:
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diff --git a/examples/discover_nodes.py b/examples/discover_nodes.py
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index 097be79..9a62b5b 100644
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--- a/examples/discover_nodes.py
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+++ b/examples/discover_nodes.py
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@@ -149,7 +149,7 @@ def main():
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parser = argparse.ArgumentParser(description="Discover nearby mesh nodes")
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parser.add_argument(
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"--radio-type",
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- choices=["waveshare", "uconsole", "meshadv-mini", "kiss-tnc"],
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+ choices=["waveshare", "uconsole", "meshadv-mini", "kiss-tnc", "zebra"],
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default="waveshare",
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help="Radio hardware type (default: waveshare)",
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)
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diff --git a/src/pymc_core/hardware/gpio_manager.py b/src/pymc_core/hardware/gpio_manager.py
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index 399a5da..7d1e003 100644
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--- a/src/pymc_core/hardware/gpio_manager.py
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+++ b/src/pymc_core/hardware/gpio_manager.py
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@@ -44,7 +44,7 @@ logger = logging.getLogger("GPIOPinManager")
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class GPIOPinManager:
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"""Manages GPIO pins abstraction using Linux GPIO character device interface"""
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- def __init__(self, gpio_chip: str = "/dev/gpiochip0"):
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+ def __init__(self, gpio_chip: str = "/dev/gpiochip4"):
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"""
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Initialize GPIO Pin Manager
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@@ -77,7 +77,7 @@ class GPIOPinManager:
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return chips[0]
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else:
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logger.warning("No GPIO chips found, defaulting to /dev/gpiochip0")
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- return "/dev/gpiochip0"
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+ return "/dev/gpiochip4"
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return gpio_chip
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def setup_output_pin(self, pin_number: int, initial_value: bool = False) -> bool:
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```