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FUTUNER V1.1: ESP32-S3 ECU Tuning Dongle with Cloud-Locked Calibration Delivery

An ESP32-S3-based aftermarket ECU tuning platform combining CAN/UDS diagnostics, live gauges, VIN-locked SBF delivery, and staged flash work.

josephsr

Published May 25, 2026

Original author: chrissillyOriginal source (new tab)

FUTUNER V1.1: ESP32-S3 ECU Tuning Dongle with Cloud-Locked Calibration Delivery

Project description

Overview FUTUNER V1.1 is an ESP32-S3-based aftermarket ECU tuning dongle designed for Bosch MG1, MDG1, and MED17 ECU families. Its main role is to sit between a user’s browser, a vehicle ECU, and an SRM cloud backend, then provide controlled access to live gauges, VIN-bound calibration delivery, logging, and later-stage ECU flash workflows. The repository describes it as a mission-focused subset of FUTV1.0, organized around Phase 1 non-destructive features and Phase 2 full binary flash preparation. This is not just a simple OBD display. It is closer to a staged ECU product platform: embedded…

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