Skip to main content
AutoPi Mini compact OBD-II telematics dongle

AutoPi Mini: Plug-and-Play Fleet Telematics for Indian Fleets

GSAS Engineering · · 6 min read

Fleet Telematics Without the Complexity

Not every fleet telematics deployment requires a programmable Linux gateway with Docker containers and raw CAN frame access. Many Indian fleet operators need a simple, reliable device that plugs into the OBD-II port, connects to cellular, and starts transmitting vehicle location, trip data, and diagnostic parameters, with zero configuration and zero monthly subscription fees.

The AutoPi Mini is built for exactly this use case. Smaller than a deck of cards (67.2 x 49.6 x 25 mm, 63 grams), the Mini plugs directly into any vehicle’s OBD-II port, powers on automatically, establishes a 4G LTE Cat 1 connection via its built-in SIM (covering 188 countries), and begins transmitting data to the AutoPi Cloud platform at no recurring cost.

What the Mini Captures

Despite its compact size, the AutoPi Mini extracts a comprehensive set of vehicle parameters:

  • OBD-II diagnostics: engine RPM, vehicle speed, coolant temperature, intake air temperature, fuel system status, engine load, and all standard OBD-II PIDs
  • Legacy protocols: CAN, ISO 9141-2, ISO 14230-4 KWP, and K-Line support for compatibility with older vehicles
  • GPS tracking: real-time location with internal antenna, trip history, and geofencing
  • Accelerometer data: 3-axis accelerometer for harsh braking, rapid acceleration, and cornering detection
  • EV parameters: battery state-of-charge (SoC), state-of-health (SoH), cell voltages, HV battery temperature, charging session data

The 4 samples/sec sampling rate with millisecond timestamps is sufficient for fleet management and driver behaviour analysis. For higher-resolution data acquisition (100 samples/sec, raw CAN frames), the TMU CM4 or CAN-FD Pro are the appropriate choices.

EV Fleet Monitoring

The AutoPi Mini is particularly capable for electric vehicle fleet management, a growing segment in India as logistics companies, ride-sharing platforms, and last-mile delivery services electrify their fleets. The Mini tracks EV-specific parameters including battery SoC, minimum and maximum cell voltages, available power and energy, HV battery temperature, and charging patterns.

For fleet operators managing mixed ICE and EV fleets, the Mini provides a single device and single dashboard that covers both vehicle types. EV-specific insights, charge scheduling optimisation, battery degradation tracking, range estimation accuracy, sit alongside traditional fleet metrics like trip distance, idle time, and driver scoring.

AutoPi Cloud: Zero Subscription

The AutoPi Cloud platform is included at no monthly subscription cost. Fleet managers access:

  • Live tracking: real-time vehicle positions on a map with speed, heading, and status indicators
  • Trip history: automatic trip detection with start/end locations, distance, duration, and idle time
  • Geofencing: configurable geographic zones with entry/exit alerts
  • Vehicle health: DTC (Diagnostic Trouble Code) monitoring with check-engine light alerts
  • Driver scoring: behaviour analysis based on acceleration, braking, cornering, and speed patterns
  • REST API: programmatic access for integration with existing fleet management or ERP systems

Deployment Considerations for India

The AutoPi Mini’s built-in SIM with roaming across 188 countries simplifies deployment logistics. For Indian fleets operating across multiple states and cellular networks, the embedded connectivity eliminates the need to source, provision, and manage separate SIM cards.

Operating temperature range of -40 to +85 degrees Celsius covers the full spectrum of Indian climate conditions, from Ladakh winters to Rajasthan summers. The 170 mAh backup battery maintains GPS tracking briefly after vehicle power is cut, useful for theft detection and unauthorised movement alerts.

For fleets where vehicles cross into Nepal, Bangladesh, Sri Lanka, or Myanmar, the multi-country SIM coverage means the same device continues operating without reconfiguration. Long-haul transport fleets moving goods across South Asian borders benefit from cross-border tracking.

When to Choose the Mini vs TMU CM4

RequirementAutoPi MiniTMU CM4
OBD-II parameter extractionYesYes
Raw CAN frame accessNoYes (SocketCAN)
CAN-FD supportNoYes (dual channels)
Edge computing (Docker)NoYes
Custom sensor integrationNoYes (HAT header)
Cellular4G LTE Cat 14G LTE Cat 4
Sampling rate4/sec100/sec
Form factorCompact dongleOBD-II dongle (larger)

Choose the Mini for straightforward fleet management, tracking, diagnostics, driver behaviour, EV monitoring, where simplicity and zero configuration are priorities. Choose the TMU CM4 when you need raw CAN access, edge computing, custom sensor integration, or high-resolution data capture.

Why Buy AutoPi Mini from GSAS

GSAS Micro Systems provides the AutoPi Mini with local stock availability, INR invoicing, fleet deployment planning, and AutoPi Cloud onboarding support. Fleet operators in Bengaluru, Hyderabad, Chennai, Pune, Mumbai, Delhi NCR, and Visakhapatnam can request evaluation units for pilot deployments.

Visit the AutoPi Mini product page or contact us for volume pricing and fleet deployment consultation.

Interested in AutoPi tools?

Talk to our application engineers for personalized tool recommendations.

Stay in the Loop

Get monthly compliance updates, product insights, and engineering best practices delivered to your inbox.

Related Articles

Master and slave roles on a 100BASE-T1 link: the master PHY times its transmitter from a local clock, the slave recovers the clock from the received signal, with the both-master and both-slave misconfigurations that leave the link down, from GSAS Micro Systems India
Automotive Ethernet Automotive & Mobility

100BASE-T1 Link Won't Come Up: A Vendor-Neutral Checklist

A 100BASE-T1 link that will not come up is almost never a mystery, but the answers on the web are written per silicon vendor and do not transfer. This is the ordered bring-up checklist that holds regardless of which PHY, switch or SoC you have: physical layer first, then the PHY over MDIO, then the master and slave pairing, then the causes of a link that comes up and drops. The standards and tooling claims trace to IEEE 802.3 task force records, the Linux ethtool and kernel documentation or published test material. Written by the GSAS Micro Systems engineering team in India.

29 Aug 2026 · 14 min read
Side by side comparison of a 10BASE-T1S multidrop mixing segment, one balanced pair with four nodes on short stubs and a termination at each end, against a point to point star of four separate links into switch ports, from GSAS Micro Systems India
Automotive Ethernet Automotive & Mobility

10BASE-T1S and PLCA: Multidrop Ethernet Explained

10BASE-T1S is the one member of the T1 single-pair Ethernet family that keeps a shared medium, and PLCA is the reconciliation sublayer that stops the nodes on it from colliding. This article covers what IEEE 802.3cg standardises, how the beacon and transmit opportunities schedule a cycle, the node count and segment length figures the OPEN Alliance interoperability test suite works to, and the failure modes that put a segment quietly back into contention while every link still looks up. Written by the GSAS Micro Systems engineering team in India for teams bringing up multidrop segments on the bench.

29 Aug 2026 · 12 min read
Horizontal stacked bar showing where an ADAS test vehicle's bandwidth budget is spent, split into cameras, lidar, radar and bus traffic, with the logger uplink limit drawn as a vertical rule crossing the bar, from GSAS Micro Systems India
Automotive Ethernet Automotive & Mobility

ADAS Sensor Data Logging: Bandwidth Budgets That Add Up

Every page that tells you an ADAS test vehicle produces terabytes a day states the headline and skips the arithmetic, so you cannot redo it for your own sensor set. This article publishes the arithmetic instead: one formula, every table row derived on the page, a worked eight-hour drive that chains those rows into a sustained write rate, a media count and an offload window, and the five places bandwidth budgets go wrong. Written by the GSAS Micro Systems engineering team in India.

29 Aug 2026 · 15 min read