protocol

Implement LoRa Protocol v4 with variable-length packets and AES-128-CTR encryption.

2|Updated Jan 8, 2026
One-click install
npx skills add https://github.com/universam1/webasto-lora-remote-ctrl --skill protocol-universam1
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: protocol
Source: https://github.com/universam1/webasto-lora-remote-ctrl/tree/main/.github/skills/protocol
Command: npx skills add https://github.com/universam1/webasto-lora-remote-ctrl --skill protocol-universam1

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill documents and guides the implementation of a robust LoRa Protocol v4, reducing airtime and increasing reliability by using variable-length packets, fused magic/version byte, and end-to-end AES-128-CTR encryption.

Core Features & Use Cases

  • Variable-length wire packets with 6-byte header and 2-byte CRC, enabling significant payload efficiency.
  • Fused magic/version encoding (0x34) to simplify versioning and improve parsing integrity.
  • Phase-based optimization including quantization of sensor fields (temperature, voltage, power) for reduced bandwidth.
  • Use Case: Implement a sender/receiver pair that exchanges commands and status with reduced airtime and improved range in a LoRa network.

Quick Start

Configure LoRa devices to communicate using Protocol v4, enabling variable-length packets, AES-128-CTR encryption, and smart sensor quantization.

Frequently Asked Questions about protocol

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I reduce LoRa airtime and improve range with variable-length packets?

LoRa airtime is reduced by implementing variable-length wire packets with a 6-byte header and 2-byte CRC, which significantly improves payload efficiency and network range.

Why use a fused magic/version byte in LoRa packet framing?

A fused magic/version byte (0x34) simplifies protocol versioning and improves parsing integrity by combining version identification and frame synchronization into a single byte.

How do I encrypt LoRa sensor data using AES-128-CTR?

LoRa sensor data is secured end-to-end by applying AES-128-CTR encryption to the packet payload, ensuring confidential and authenticated exchanges between sender and receiver.

What is sensor data quantization in LoRa protocol optimization?

Sensor data quantization compresses fields like temperature, voltage, and power into smaller byte representations, reducing overall bandwidth consumption during LoRa packet transmission.

Do I need to configure both sender and receiver for LoRa Protocol v4?

Yes, implementing LoRa Protocol v4 requires configuring both embedded sender and receiver roles to handle dynamic packet sizing, AES-128-CTR encryption, and status reporting.

What are the limitations of using fixed-length packets in LoRa networks?

Fixed-length packets waste bandwidth and increase airtime compared to variable-length packets, which adapt to payload size and significantly improve LoRa transmission efficiency.