CAN Bus
Redefined.
Professional ESP32-based CAN interfaces for automotive diagnostics, data logging, and vehicle integrations. Fully open source.
Initializing device...
Why J3Techs
Built for builders.
Everything you need to create powerful automotive and IoT solutions.
Open Source
Full schematics, firmware, and documentation on GitHub. Fork, modify, contribute.
Industrial Grade
FCC & CE certified. Designed for demanding automotive environments.
Plug & Play
Pre-flashed firmware. Connect via USB and start logging in seconds.
Community
Join 5,000+ engineers and makers building with J3Techs hardware.
ESP32 CAN Device
ESP32 CAN Device
Our flagship open-source CAN interface. Dual-core ESP32-S3, isolated CAN transceiver, wide voltage input, and pre-loaded firmware for instant deployment.
Starting at
$49.99
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2.5K
GitHub Stars
100%
Open Source
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