LoRa Through Concrete: Parking Sensor Deep Dive

What this episode covers

You need a parking sensor three floors underground in a concrete garage. Wi-Fi and Zigbee won't reach. Ethernet is absurd. What's your move? We explore why sub-gigahertz LoRa is the answer — the physics of longer wavelengths, the 20-30 dB loss per concrete floor, and the link budget math that makes it marginal but possible. We cover Israel's new LoRaWAN standardization, duty cycle limits at 868 vs 915 MHz, and the hardware options: $15 ESP32 modules vs Raspberry Pi HATs. Plus: why point-to-point LoRa beats LoRaWAN for a single sensor, and how antenna placement can make or break your connection through a stairwell shaft.

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How long is this episode of My Weird Prompts?

This episode is 25 minutes long.

When was this My Weird Prompts episode published?

This episode was published on July 5, 2026.

What is this episode about?

You need a parking sensor three floors underground in a concrete garage. Wi-Fi and Zigbee won't reach. Ethernet is absurd. What's your move? We explore why sub-gigahertz LoRa is the answer — the physics of longer wavelengths, the 20-30 dB loss per...

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