Product Documentation

Creating a Communication Log

Files
File name File size No. of downloads
creating_comm_log.pdf 396.8 KB 27833 Download

Last updated: Nov 17th, 2009

Datasheets

Datasheets for the STN11xx and STN21xx OBD to UART interpreter ICs.

Files
File name File size No. of downloads
stn1110_ds_g.pdf 667.0 KB 9666 Download
stn1170_ds_g.pdf 1.1 MB 1861 Download
stn21xx_ds_c.pdf 850.6 KB 1884 Download

Last updated: Aug 28th, 2020

ECUsim 2000 User Guide

Files
File name File size No. of downloads
ecusim_2000-ug.pdf 930.9 KB 70778 Download

Last updated: Mar 26th, 2015

ECUsim 5100 User Guide

Files
File name File size No. of downloads
ecusim_5100-ug.pdf 1.1 MB 49797 Download

Last updated: Apr 23rd, 2013

ECUsim Programming Manual

ECUsim Programming Manual.

Files
File name File size No. of downloads
ecusim-pm.pdf 757.9 KB 21407 Download

Last updated: Apr 29th, 2013

ELM327 Datasheet

Elm Electronics ELM327 OBD Interpreter IC Datasheet.

Files
File name File size No. of downloads
elm327dsh.pdf 372.7 KB 75610 Download

Last updated: Nov 13th, 2010

FRPM for STN11xx/STN21xx

STN11xx/STN21xx OBDLink Family Reference and Programming Manual.

Files
File name File size No. of downloads
obdlink_frpm_f.pdf 1.4 MB 7353 Download

Last updated: Oct 27th, 2025

OBD Driver Module

This is part of our open source development platform to help developers get to market fast. The OBD Driver Module is a suggested design for implementing OBD drivers. This file contains the source and manufacturing files.

Files
File name File size No. of downloads
obd_driver_module-pr_1.1_b.zip 208.5 KB 2326 Download

Last updated: Sep 24th, 2013

OBD Inter-connect Board

This is part of our open source development platform to help developers get to market fast. The Inter-connect board holds several modules, such as the STN IC Module, OBD Driver Module, and OBD Power Module. This file contains the source and manufacturing files.

Files
File name File size No. of downloads
obd_interconnect_board_1.6-g_2.pdf 234.9 KB 3307 Download
18060_IVN_lab_manual.pdf 3.5 MB 16403 Download
18060_IVN_Slides.pdf 2.0 MB 18825 Download
stm-p-05.pdf 47.8 KB 12128 Download
obd_interconnect_board.pdf 218.0 KB 13174 Download
stm-od-01.pdf 92.1 KB 13052 Download
stn-br-2120.pdf 72.4 KB 1174 Download
stm-br-2100.pdf 53.9 KB 1086 Download
stm-br-1170.pdf 63.2 KB 12495 Download

Last updated: Jul 9th, 2019

OBD Power Module

This is part of our open source development platform to help developers get to market fast. The OBD Power Module is a suggested design for implementing an OBD power management system. This file contains the source and manufacturing files.

Files
File name File size No. of downloads
obd_power_module-pr_1.3_d.zip 170.6 KB 1904 Download

Last updated: Sep 24th, 2013

OBDLink LX Quick Start Guide

Files
File name File size No. of downloads
lx_bt-android_qsg-web.pdf 1.2 MB 38492 Download

Last updated: Apr 7th, 2015

OBDLink MX Protocol Commands

Files
File name File size No. of downloads
mx_protocol_commands.pdf 298.3 KB 60715 Download

Last updated: Dec 30th, 2011

OBDLink MX Quick Start Guide

Files
File name File size No. of downloads
mx_bt-android_quickstart.pdf 1.6 MB 54799 Download

Last updated: Mar 6th, 2015

OBDLink MX+ Quick Start Guides

Files
File name File size No. of downloads
mxp_add-on_instructions.pdf 1.7 MB 19272 Download
mxp_qsq_android.pdf 1.2 MB 7227 Download
mxp_qsg_ios.pdf 1.0 MB 8256 Download

Last updated: Nov 6th, 2018

STN Bootloader

Firmware Update Specification for Devices with STN Bootloader.

Files
File name File size No. of downloads
stn_bl-d.pdf 563.0 KB 153 Download

Last updated: Sep 11th, 2025

STN1110 vs ELM327 Comparison

Document that compares the features and performance of STN1110 and ELM327 OBD interpreter ICs.

Files
File name File size No. of downloads
stn1110_vs_elm327.pdf 334.5 KB 61840 Download

Last updated: Nov 12th, 2010

STN1170 Breakout Module (QFN)

This is part of our open source development platform to help developers get to market fast. The OBD Power Module is a suggested design for implementing our STN1170 IC. This file contains the source and manufacturing files.

Files
File name File size No. of downloads
stn1170_breakout_qfn-pr_1.1_b.zip 148.7 KB 1861 Download

Last updated: Sep 24th, 2013