sloppyCAN

Welcome to sloppyCAN

Read & explore any CAN bus, right in your browser.

New to automotive systems? Check out our explainers!

No adapter? The Demo streams simulated traffic - no hardware needed.

🚗 Drive Carlito

Launch the driving simulator - its telemetry streams back as live CAN frames you can watch and decode here. Open it with the Carlito button up top.

Also worth exploring - point at one to find it on screen

0 ms

Learn how ISO-TP works ↗ Learn how UDS works ↗

UDS

DM1 lamps → Carlito: Red stop Amber warn Protect DM1's MIL is the contract's own checkEngine, so it is not repeated here. Trailer → Carlito: EBS fault ABS (J2497)

Request a PGN (59904): PGN from Answerable here

CRO (HEX) DTO (HEX) CAN Byte order

Get ID DAQ

Set MTA addr read length write data

Message Log Learn how XCP works ↗

Node SDO timeout ms SDO req SDO rsp

SDO client node index sub value

NMT target

SYNC

Message Log Learn how CANopen works ↗

Publish drone telemetry FC node Publishing rides the Carlito window; decode is always on. Learn how DroneCAN works ↗

Flight mode LEDs Beep Hook These drive the aircraft; while they are being sent the game's own Y and Z keys are overridden.

Gimbal pitch yaw +0° / +0° The mount slews at a finite rate, so gimbal_*_actual chases these rather than matching them.

Services (from node 127, a maintenance tool): Node period

Transfer Log

`024`	single ID (hex)
`024, 039`	list of IDs
`000-02F`	inclusive range
`024, 100-1FF`	mix lists & ranges