# AutoPi

AutoPi builds vehicle-data infrastructure for telemetry, CAN bus and OBD-II projects. Use this site to select devices and review product capabilities; use the documentation for setup, the API reference for integrations, and the shop for current prices and purchasing terms.

## Product selection

- [AutoPi Devices: Feature-by-Feature Comparison](https://www.autopi.io/hardware/compare.md): Compare the essential features of various AutoPi devices side by side. Make an informed choice for your specific needs with our comparison table.

## Products

- [Automotive data loggers for all types of vehicles and machinery - AutoPi.io](https://www.autopi.io/index.md): Automotive data loggers for CAN bus, OBD-II and GNSS. Extract fleet data via USB, WiFi, 4G/LTE or Ethernet. Open-source API and edge computing.
- [AutoPi TMU CM4: Automotive platform and edge computer build on Raspberry Pi](https://www.autopi.io/hardware/autopi-tmu-cm4.md): Maximize your telematics fleet's potential with AutoPi Telematics Unit CM4. Experience the power of advanced device management and data insights.
- [AutoPi Mini: EV parameters for vehicle battery management](https://www.autopi.io/hardware/autopi-mini.md): Check supported OBD-II and EV signals for your vehicle. AutoPi Mini costs EUR 129 plus EUR 6/month for SIM and Cloud with a 12-month minimum.
- [AutoPi CAN-FD Pro: Dual-channel J1939 & CAN-FD data logger built on Raspberry Pi Compute Module 4.](https://www.autopi.io/hardware/autopi-canfd-pro.md): Dual-channel CAN-FD and J1939 data logger with on-device DBC decoding. Built on Raspberry Pi CM4 with 4G/LTE and GPS. From EUR 599; SIM and data purchased separately.
- [Take Control of Your Electric Fleet with Our Platform](https://www.autopi.io/electric-vehicles.md): Simplify electric fleet management with our seamless integrated solutions and advanced tools. Contact us now to learn more.

## Solutions

- [AutoPi Cloud: Advanced Fleet & Device Management for automotive data loggers](https://www.autopi.io/software-platform/cloud-management.md): Fully customizable IoT Fleet Management platform. Extend the platform to match your projects and use cases.
- [AutoPi Cloud: Fleet Management for automotive data loggers](https://www.autopi.io/software-platform/fleet-management.md): Fully customizable IoT Fleet Management platform. Extend the platform to match your projects and use cases.
- [AutoPi Cloud: Advanced Fleet & Device Management for automotive data loggers](https://www.autopi.io/software-platform/device-management.md): Fully customizable IoT Fleet Management platform. Extend the platform to match your projects and use cases.
- [AutoPi Cloud: Advanced CAN Bus Management for automotive data loggers](https://www.autopi.io/software-platform/canbus-management.md): Use the AutoPi Cloud for configuring and management of your CAN Bus data loggers. AutoPi Cloud is included with all our devices.
- [Find Answers to Your Questions on AutoPi FAQ](https://www.autopi.io/faq.md): Get quick answers to your AutoPi questions on our comprehensive FAQ page. Learn about features, installation, and troubleshooting. Check our AutoPi today.
- [Fleet Sustainability | Efficient EV Fleet Management | AutoPi](https://www.autopi.io/business-solutions/ev-fleet-sustainability.md): Discover how our EV fleet management solutions can enhance efficiency and sustainability for your business. Learn more today!
- [Fleet Data Management | Enhance Fleet Efficiency with Insights | AutoPi](https://www.autopi.io/business-solutions/fleet-data-management.md): Streamline operations, cut costs, and boost performance with our Fleet Data Management solutions. Gain real-time insights for optimal efficiency.
- [Vehicle Telematics Solutions | Boost Fleet Efficiency & Safety | AutoPi](https://www.autopi.io/business-solutions/vehicle-telematics.md): Optimize fleet performance with real-time tracking, data analytics, and enhanced safety. Discover advanced vehicle telematics solutions today.
- [Fleet Management System | Optimize Fleet Operations | AutoPi](https://www.autopi.io/business-solutions/fleet-management-system.md): Streamline fleet operations, cut costs, and boost safety. Track vehicles and manage fuel with our efficient Fleet Management System.
- [Easy Device Configuration Management | AutoPi](https://www.autopi.io/business-solutions/features/device-configuration-management.md): Discover simple and efficient device configuration management. Streamline setup and maintenance for optimal performance.
- [OTA Updates & Diagnostics for Efficient Device Management | AutoPi](https://www.autopi.io/business-solutions/features/ota-updates-diagnostics.md): Get hassle-free OTA updates and diagnostics for seamless device performance. Ensure your devices are always up-to-date and functioning at their best.
- [Real-time Data Streaming - Fast, Smart Decisions | AutoPi](https://www.autopi.io/business-solutions/features/real-time-data-streaming.md): Enhance your decision-making with real-time data streaming. Access instant insights to stay ahead and make smarter business choices.
- [Geofencing for Fleet Management - Efficient Fleet Tracking | AutoPi](https://www.autopi.io/business-solutions/features/geofencing-fleet-management.md): Optimize fleet management with geofencing. Track vehicles in real-time, improve efficiency, and enhance security.
- [Keyless Entry for Cars - Effortless Fleet Access | AutoPi](https://www.autopi.io/business-solutions/features/keyless-entry.md): Discover our keyless entry system for B2B vehicles. Simplify fleet management with secure, easy-to-use keyless access solutions.
- [OEM Integration Solutions for Automotive Manufacturing](https://www.autopi.io/industry-sectors/OEM-integration.md): Intergrate AutoPi for seamless automotive manufacturing
- [Efficient Car Leasing & Sharing: Monitor & Manage Vehicles](https://www.autopi.io/industry-sectors/car-leasing.md): Revolutionize Your Car Leasing Business
- [Real-Time Monitoring for Trucking Performance & Cargo](https://www.autopi.io/industry-sectors/commercial-trucking.md): Transform commercial trucking with innovative solutions
- [Optimize Operations: Heavy Equipment Management](https://www.autopi.io/industry-sectors/heavy-equipment-management.md): Monitor equipment in real-time for optimal performance
- [Innovative Vehicle Management for Public Transportation](https://www.autopi.io/industry-sectors/public-transportation.md): Optimize Public Transit Operations
- [Enhancing R&D with CAN Data for Vehicle Development](https://www.autopi.io/industry-sectors/vehicle-research-and-development.md): Elevate vehicle research and development with detailed CAN data

## Articles

- [Build a Raspberry Pi Touchscreen Car Computer (Step-by-Step)](https://www.autopi.io/blog/build-a-raspberry-pi-touch-screen-car-computer.md): Assemble a Pi-based carputer with touchscreen, power, mounting and software setup. Parts list, wiring tips and configuration for a reliable in-car system.
- [Add Voice Control to Your Car with AutoPi (KITT-Style)](https://www.autopi.io/blog/speak-to-your-car-like-kitt-from-knight-rider.md): Use Google Assistant + AutoPi to trigger vehicle functions via CAN/OBD-II. Hardware, setup and code overview to build a talking car experience.
- [Build a Black Ice Detection System with AutoPi & Sensors](https://www.autopi.io/blog/build-your-own-black-ice-detection-system.md): Detect road ice in real time using temperature sensors and AutoPi. Wiring, logic and alert setup to warn drivers and log events.
- [Unlock Hidden Car Features with a CAN Bus Sniffer (Guide)](https://www.autopi.io/blog/discover-hidden-functions-in-your-car-with-can-bus.md): Capture and replay CAN messages to test features like remote unlock. Tools, steps, and safety notes for responsible experimentation.
- [Read & Reset OBD-II, CAN and CAN-FD Codes (Step-by-Step, 2025)](https://www.autopi.io/blog/read-and-reset-fault-codes-from-your-vehicle.md): Identify, interpret and clear DTCs. Examples of common P-codes, live data logging and safe reset workflow for modern vehicles.
- [Car Sharing Explained: Models, Pricing & Fleet Tech](https://www.autopi.io/blog/the-meaning-of-car-sharing.md): How car sharing works, key models and costs, and the telematics needed for access control, billing and operations with real-world examples.
- [Smart Cities: Systems, Data & Mobility Use Cases (2025)](https://www.autopi.io/blog/smart-city-technology-explained.md): How cities use sensors, connectivity and data platforms to improve traffic, safety and emissions—plus mobility examples and implementation tips.
- [Ford Mondeo MK4: Remote Lock/Unlock via OBD (Step-by-Step)](https://www.autopi.io/blog/controlling-lock-unlock-door-feature-on-a-ford.md): Use AutoPi to lock and unlock a 2009 Ford Mondeo MK4 via OBD. Wiring, CAN signals and safety notes included for testing and automation.
- [What Is OBD2? Complete Guide to On-Board Diagnostics (2025)](https://www.autopi.io/blog/what-is-obd-2.md): How OBD2 works, port locations, DTCs and tools‚ plus links to code reading and connector guides for faster troubleshooting.
- [DVIR Guide (2025): Requirements, eDVIR Workflow & Retention](https://www.autopi.io/blog/what-is-a-dvir.md): Understand FMCSA DVIR rules and move to eDVIR with AutoPi Cloud. Pre/post-trip checklists, defect routing, retention and audit-ready reports.
- [DoIP Explained (2025): UDS over IP for Remote Diagnostics](https://www.autopi.io/blog/diagnostics-over-internet-protocol-explained.md): What DoIP is, how it compares to legacy transports and how UDS over IP enables high-speed remote diagnostics and OTA service operations.
- [Raspberry Pi Dash Cam Install: Parts, Wiring & Setup](https://www.autopi.io/blog/how-to-install-dash-cam-instructions.md): Build a low-cost Raspberry Pi dash cam with AutoPi. Parts list, mounting, power and recording tips for dependable footage.
- [Intelligent Car Tech 2025: Architecture, OTA & Security](https://www.autopi.io/blog/intelligent-car-explained.md): What makes a car intelligent? Sensors, CAN/CAN-FD, V2X, OTA and cybersecurity‚ plus retrofit paths with AutoPi for fleets and developers.
- [J1939 Explained (2025): PGNs, SPNs & Heavy-Duty Diagnostics](https://www.autopi.io/blog/j1939-explained.md): Learn J1939 basics‚ PGNs, SPNs, addressing and tools for heavy-duty trucks and machinery. Examples and troubleshooting tips included.
- [CAN Bus Explained (2025): Frames, Arbitration & Tools](https://www.autopi.io/blog/can-bus-explained.md): Understand identifiers, arbitration, error handling and analyzers used in automotive systems. Practical examples and diagrams.
- [LIN Bus Explained: Master/Slave, Wiring & Error Handling](https://www.autopi.io/blog/lin-bus-protocol-explained.md): Practical overview of LIN topology, wiring, voltage faults and debugging steps with tools and examples for beginners.
- [ECU Explained (2025): Architecture, Networks & OTA Updates](https://www.autopi.io/blog/what-is-electronic-control-unit-definition.md): ECU types, CAN-FD networking, safety levels and OTA update workflows—with examples of tools and integration patterns.
- [CAN FD Explained (2025): Frames, Bit Rates & Migration Tips](https://www.autopi.io/blog/can-fd-explained.md): Learn frame format, bit timing, bandwidth gains and how to migrate from classic CAN to CAN-FD with hardware and software examples.
- [ELD Explained: HOS Compliance, Features & Buyer Checklist](https://www.autopi.io/blog/what-is-an-eld-definition.md): What an Electronic Logging Device is, how it works, ELD vs AOBRD, rollout steps and must-have features—plus AutoPi-based options.
- [Docker Containers: Beginner's Guide for Builders (2025)](https://www.autopi.io/blog/the-meaning-of-docker-container.md): Understand images, containers, lifecycle and basic commands. Run, ship and update apps consistently across environments.
- [CANopen Explained: Object Dictionary, PDO/SDO & Tools](https://www.autopi.io/blog/canopen-simple-introduction-explained.md): Core CANopen concepts with practical setup, node IDs, PDO/SDO mapping and analyzer recommendations for automotive/industrial projects.
- [Fleet Management 101: Processes, Costs & KPIs (2025)](https://www.autopi.io/blog/what-is-fleet-management.md): Overview of routing, maintenance, compliance and safety. Example KPIs, workflows and tool-stack ideas for modern fleets.
- [Driver Management: Hiring, Coaching & Safety Playbook](https://www.autopi.io/blog/driver-management-how-to-manage-drivers-safety.md): Recruit, train, schedule and retain drivers with policies, tooling and metrics that reduce incidents and churn across fleets.
- [What Is ISOBUS (ISO 11783)? A Guide to Tractor and Agricultural Equipment Communications](https://www.autopi.io/blog/what-is-isobus-and-iso11783.md): Explore ISOBUS (ISO 11783) in our easy-to-follow 2023 guide. Learn how this protocol simplifies data exchange in agriculture using a universal language.
- [Automotive Ethernet Explained: How High-Speed Networking Is Transforming the Automotive Industry](https://www.autopi.io/blog/automotive-ethernet-changes-automotive-industry.md): Explore Automotive Ethernet: Gigabit networking that powers ADAS cameras, infotainment, OTA updates and EV architectures, redefining car connectivity in 2025.
- [GPS in 2025: Signals, Augmentation & cm-Level Accuracy Explained](https://www.autopi.io/blog/what-is-gps.md): GPS in 2025 explained - discover L1 & L5 signals, constellation control, RTK / PPP centimetre accuracy, augmentation systems, and AutoPi telematics use-cases.
- [Telematics Explained (2025): Devices, Data & Use Cases](https://www.autopi.io/blog/what-is-telematics.md): From trackers to TCUs: how telematics collects vehicle data, improves safety and efficiency, and connects to cloud analytics platforms.
- [WWH-OBD (ISO 27145) Explained: UDS over CAN & DoIP (2025)](https://www.autopi.io/blog/what-is-wwh-obd.md): Where WWH-OBD fits, how it maps to J1979-2/-3 and implementation examples, covering both CAN and DoIP transports.
- [Connected Car (2025): V2X, OTA Updates, Data & Security](https://www.autopi.io/blog/what-is-connected-car.md): Definitions, architectures and use cases with V2X, OTA and data privacy. How connectivity improves safety and uptime.
- [Automotive Software (2025): Types, Platforms & Use Cases](https://www.autopi.io/blog/what-is-automotive-software-and-its-benefits.md): Breakdown of ECU apps, telematics, fleet tools and integration patterns - how software drives modern vehicle features and services.
- [Smart Mobility: Tech, Use Cases & City Impact (2025)](https://www.autopi.io/blog/what-is-smart-mobility.md): How multimodal mobility, V2X and data platforms reduce congestion and emissions. Real examples and implementation tips.
- [Vehicle Data Explained: Access, Use Cases & Privacy (2025)](https://www.autopi.io/blog/the-meaning-of-vehicle-data.md): Where vehicle data comes from (OBD, CAN, GPS), how to access it with AutoPi, and how to use it for maintenance, safety and insights.
- [Raspberry Pi CAN Bus: SocketCAN & CAN-FD Setup (2025)](https://www.autopi.io/blog/raspberry-pi-can-bus-explained.md): Wire up Pi + CAN HAT, enable SocketCAN, capture frames and stream to AutoPi Cloud. Includes sample code and troubleshooting tips.
- [Galileo GNSS: Signals, Services & Accuracy Explained](https://www.autopi.io/blog/galileo-gps-satellite-navigation-explained.md): Understand Galileo's E1/E5 signals, augmentation and accuracy - plus how multi-GNSS improves robustness in telematics devices.
- [Docker on Raspberry Pi: 5 Practical Advantages](https://www.autopi.io/blog/5-advantages-to-docker-and-raspberry-pi.md): Why Docker on Pi matters: portability, speed, reproducibility, easy updates and scaling. Includes simple test commands to verify setup.
- [Tesla Logo Explained: The Story Behind the Iconic Emblem](https://www.autopi.io/blog/tesla-logo-the-true-meaning.md): The story behind Tesla’s emblem and why the ‘T’ references an electric motor - history, design choices and brand evolution.
- [GLONASS: Russia's GNSS vs GPS - Coverage & Accuracy](https://www.autopi.io/blog/what-is-glonass-explained.md): How GLONASS compares to GPS, Galileo and BeiDou, and why multi-GNSS improves availability and precision for vehicles and devices.
- [BeiDou (BDS): China's GNSS - Signals, Coverage & Uses](https://www.autopi.io/blog/beidou-gps-navigation-satellite-system.md): What BeiDou is, how it works and where it's used - from smartphones to fleet tracking - with tips for multi-GNSS receivers and antennas.
- [MDF4 (MF4) File Format Explained: Logging, Compression & Tools](https://www.autopi.io/blog/mf4-simple-explanation.md): How MDF4 stores signals; compression, indexing and toolchains for reading and analysis in automotive data logging workflows.
- [DBC File Explained: Signals, Multiplexing & Examples](https://www.autopi.io/blog/the-meaning-of-dbc-file.md): What a DBC file is, how signals and multiplexing work, and how tools use DBCs to decode CAN messages - with example snippets.
- [Fleet Software Buyer's Guide: 10 Must-Have Features](https://www.autopi.io/blog/fleet-management-software-what-to-search-for.md): What to look for: real-time GPS, maintenance, alerts, open APIs, pricing transparency and support - plus an evaluation checklist.
- [Electric Vehicles: Types, How They Work & Charging](https://www.autopi.io/blog/what-is-electric-vehicle.md): BEV, PHEV and FCEV explained; how EV drivetrains work and charging basics - plus pros and cons for buyers and fleets.
- [AEMP 2.0 Explained: Mixed-Fleet Telematics Standard](https://www.autopi.io/blog/what-is-aemp-telematics-standard.md): What AEMP 2.0 is, supported data fields, how it unifies OEM feeds and integration steps for heavy-equipment fleets.
- [Geofencing for Fleets: How It Works + Best Practices](https://www.autopi.io/blog/geofencing-explained.md): Create zones, trigger alerts and automate workflows with geofencing. Examples for theft prevention, safety and compliance with setup tips.
- [Fleet Vehicles: Definition, Pros/Cons & Buying Tips](https://www.autopi.io/blog/what-is-a-fleet-vehicle.md): What counts as a fleet vehicle, how to evaluate used fleet cars and the risks/benefits to check before you buy.
- [Keyless Entry Explained: Key Fobs, RFID/BLE & Security Risks](https://www.autopi.io/blog/what-is-keyless-entry.md): How keyless systems work, pros/cons and how to mitigate relay attacks - components, signals and security best practices.
- [IoT + CAN Bus: Building Modern Vehicle Data Systems](https://www.autopi.io/blog/iot-and-can-bus-in-vehicle-data.md): From edge capture to cloud dashboards - how IoT and CAN/CAN-FD power real-time vehicle analytics and control with AutoPi components.
- [J2534 Pass-Thru Explained: ECU Reprogramming & DTC Reading](https://www.autopi.io/blog/j2534-explained.md): What J2534 is, supported workflows, required hardware and the basic steps to read DTCs and reflash ECUs safely.
- [Key Fobs Explained: Tech, Security & Troubleshooting](https://www.autopi.io/blog/what-is-a-key-fob.md): How key fobs work, common failures, battery tips and future tech like UWB - plus when to re-sync or replace your fob.
- [What Is RFID? Tags, Readers & Fleet Use Cases](https://www.autopi.io/blog/what-is-rfid.md): How RFID works and practical applications in fleet, asset tracking and access control - with hardware options and setup tips.
- [CAN Bus Errors: Causes, Diagnostics & Fixes (2025)](https://www.autopi.io/blog/what-are-can-bus-errors.md): Identify bus-off, stuff, form and CRC errors. Wiring checks, termination tips and analyzer workflows for quicker diagnosis.
- [How to Read OBD2 Codes: A Simple Guide for Beginners](https://www.autopi.io/blog/how-to-read-obd2-codes.md): Locate the OBD2 port, connect a scanner, read and interpret DTCs with examples. Quick tips for common issues and next steps.
- [CAN Bus Infographic: Visual Guide to Signals & Frames](https://www.autopi.io/blog/can-bus-protocol-infographic.md): A clear, scannable infographic explaining CAN bus networks, message IDs, frames and error handling for quick learning.
- [OBD2 Port Location Guide: Where to Find the Diagnostic Port](https://www.autopi.io/blog/obd2-port-location.md): Common OBD2 port locations by make/model with visuals and quick tips so you can plug in a scanner fast and start reading codes.
- [How to Read CAN Bus Data: Extraction, Decoding & Tools](https://www.autopi.io/blog/how-to-read-can-bus-data.md): Tap points, cables, sniffers and decoding workflows with examples. From raw frames to signal values using DBCs and analyzers.
- [CAN Bus Interface Comparison: Choose the Right Adapter](https://www.autopi.io/blog/can-bus-interface-comparison.md): Side-by-side of adapters, speeds, drivers and use cases for labs and fleets. Selection tips for Windows, Linux and embedded setups.
- [CAN FD Adapter Explained: Specs, Compatibility & Top Picks (2025)](https://www.autopi.io/blog/what-is-can-fd-adapter.md): Frame format, bit-rates, connectors and compatible vehicles - recommended hardware and software for CAN-FD projects.
- [How to Program a Car Key Fob: Step-by-Step Guide](https://www.autopi.io/blog/how-to-program-a-key-fob.md): Enter programming mode, pair and test your fob. Covers common pitfalls, battery resets and basic security considerations.
- [Automotive DTCs: Codes, Causes & Fix Paths (Guide)](https://www.autopi.io/blog/automotive-diagnostic-trouble-codes.md): Understand P/B/C/U code families, common causes and repair steps - with examples and prevention tips for fleets and DIYers.
- [Automotive Data Loggers: Inputs, Use Cases & Buying](https://www.autopi.io/blog/what-is-automotive-data-loggers.md): OBD, CAN, LIN, analog and GPS inputs explained - plus storage, bandwidth and selection tips for vehicles and heavy equipment.

## External resources

- [https://docs.autopi.io/](https://docs.autopi.io/) — Technical documentation and setup guides.
- [https://docs.autopi.io/llms.txt](https://docs.autopi.io/llms.txt) — Documentation index for AI agents.
- [https://api.autopi.io/](https://api.autopi.io/) — API reference for integrations.
- [https://shop.autopi.io/](https://shop.autopi.io/) — Current prices, configurations, accessories and purchase terms.

Product selection and comparisons: autopi.io. Technical setup: docs.autopi.io. Software integration: api.autopi.io. Prices, configurations and purchases: shop.autopi.io.