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31 lines
892 B
Markdown
31 lines
892 B
Markdown
# Remote MQTT Device on an RP2040
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Your headless Raspberry Pi Pico-based hardware can also be a remote gadget when you connect it to your computer via USB
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For the USB specifics, see this related tutorial at https://mongoose.ws/tutorials/rp2040/pico-rndis-dashboard/
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See this tutorial to control your device: https://mongoose.ws/tutorials/mqtt-dashboard/
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For this to work, you need your computer to act as a router (gateway) and NAT for your device.
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## Linux setup
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Enable "masquerading"; the quick and simple options are:
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``` bash
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sudo iptables --flush
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sudo iptables --table nat --flush
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sudo iptables --delete-chain
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sudo iptables --table nat --delete-chain
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# Do masquerading
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sudo iptables -t nat -A POSTROUTING -o yourifc -j MASQUERADE
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# enable routing
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sudo echo 1 > /proc/sys/net/ipv4/ip_forward
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```
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Where `yourifc` is the interface that is connected to your network
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## MacOS setup
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