MHD TUNING OBD2 Wireless Smart Bimmer User Manual

June 5, 2024
MHD TUNING

OBD2 Wireless Smart Bimmer
User Manual

Overview

MHD TUNING OBD2 Wireless Smart Bimmer - overviewe

Smart Bimmer Enet Wifi was specially developed and designed to operate the Ethernet OBD2 diagnostic and coding features via wired J2534 port and wireless via an  embedded  odule based on the universal serial interface network standard,built-in TCP / IP protocol stack, enabling the user serial port, Ethernet, wireless network (wifi)  interface between the conversions. the traditional serial devices do not demand to change any configuration, data can be transmitted through the Internet network. Provide a  quick solution for the user’s serial devices to transfer data via Ethernet

Features

  • 2.4GHz 802.11b/g/n,compatible

  • Support IEEE 802.3、IEEE 802.3u

  • WiFi Client/AP/Router Mode

  • Support wps/wds

  • The range of baudrate: 1200~500000bps

  • Support transparent transmission mode

  • Support multiple security authenti-cation mechanisms:
    WEP64/WEP128/ TKIP/ AES
    WEP/WPA-PSK/WPA2-PSK

  • Support wireless roam

  • Support multiple network protocols:
    PPPOE/TCP/UDP/DDDNS /DHCP/DNS/HTTP/Firewre

  • Support AT+ instruction set

  • Support two config methods:Serial/WEB

  • Device Dimensions 874726mm

Applications

Ethernet OBDII WiFi Diagnose

Specifications

The parameters are defined here.

Typical DC Characteristics Notes
Only wifi current 140mA Wit’ to serial,AP mode or Client mode
One rj45 current 120mA Serial to RJ45.
Two rj45 cuurent 135mA One is Wan anther is LAN
WiFi and two rj45 160mA Default Mode/Factory Mode
Centre frequency accuracy +/-25ppm Additional +/-15ppm allowance
Typical RF Characteristics Notes
Receive sensitivity -70dBm Use lqview to adjust
Maximum Transmit power 18dBm/15dBm/13.5dBm 802.11b/g/n
RF Port impedance — Ipex onnector 50 ohm 2.4 – 2.5GHz
VSWR (max) 2:01 2.4 – 2.5GHz
Centre frequency accuracy +1-25ppm Additional +/-15ppm allowance
Peripherals Notes
UART 2pins 1200-500kbps
RJ45(WAN) 4pins Support pppoe
RJ45(LAN) 4pins Support dhcp
3.3V Out 1pins Suuport atmost 300mA/3.3V
1.8V Out 1 pins Suuport atmost 300mA/1.8V

Wi-Fi Module Pin Assignment

Pin No Signal Typo Description
1 VCC5V Supply Voltage, 5V+/-10%
2 GND Analogue Ground
3 WIFILED WLAN Activity LED
4 V03.3 3.3V Output (Suuport Almost 300mA)
5 LINK1 10/100 PHY Port #1 activity LED
6 N/A Reserved
7 N/A Reserved
8 GPIOO General GPIO Reserved
9 GPIO1 General GPIO Reserved
10 ES’RST Exit transparent transmission mode/Restore factory value
11 TXOPI 10/100 PHY Port #1 TXP
12 TX0N1 10/100 PHY Port #1 TXN
13 RXI Pi 10/100 PHY Port #2 TXP
14 RX IN72 10/100 PHY Port #2 TXN
15 RXIPI 10/100 PHY Port #1 RXN
16 RXIPI 10/100 PHY Pod #1 RXP
17 TXON2 10/100 PHY Port #2 OXN
18 TXOP2 10/100 PHY Port #2 OXP
19 GPIO2 General GPIO Reserved
20 DART RX UART RXD.
21 UART TX UART TXD.
22 GP103 General GPIO Reserved
23 LINK2 10/100 PHY Port #2 activity LED
24 GPI04 General GPIO Reserved
25 WPS1IST WiFi Protected Setup /Restore factory value
26 GP105 General GPIO Reserved
27 ‘101.8 1.8V Output (Suuport Almost 300mA)
28 VCC5V Supply Voltage, 5V+/-10%

Electrical Characteristics

Parameter Min Max
Module supply voltage VCC 3.9V 5.5V
Module Voltage Output V03.3 3.1V 4.
Module Voltage Output VO1 8 1.65V 2.
GPIO Voltage 3.1V 3.5V
Storage temperature -40°C 95°C

Operation Guidelines to work with car OBDII

Step 1: Ignition ON, plug the MHD OBDII wifi flasher to the OBD2 diagnostic port Step 2: Search the Wifi ISID started with MHD_XXXX from laptop wifi and access with  the password which sated at the back side of the module.

Step 3: Successfully connected and operated as user demanded via OBD2 diagnostic port.
Step 4: Administration panel setup for administrators only.

MHD TUNING OBD2 Wireless Smart Bimmer - Operation 2

Appendix Disclaimers

The contents of this document are subject to change without notice. Autosvs Technology reserves the right to make changes, without notice, in the products, including circuits  and/or software, described or contained therein. Information contained in this document regarding device applications and the like is intended through suggestion only and  may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications.
Autosvs Technology warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with Autosvs Technology’s standard  warranty. Testing and other quality control techniques are used to the extent Autosvs Technology deems necessary to support this warranty. Except where mandatory by  government requirements, testing of all parameters of each product is not necessarily performed.
Autosvs Technology assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to  these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work infringement, unless otherwise specified.
Autosvs Technology products are not intended for use in life support systems, appliances or systems where malfunction of these products can reasonably be expected to result  in personal injury, death or severe property or environmental damage. Autosvs Technology customers using or selling these products for use in such applications do so at their  own risk and agree to fully indemnify Autosvs Technology for any damages resulting from such use.
All products are sold subject to Autosvs Technology ‘s terms and conditions of sale supplied at the time of order acknowledgment. All trademarks are the property of their  respective owners.

NB Warning:
Manufacturer’s Name: Autosvs Technology Co., Ltd.
Sample Description: Smart Bimmer Enet Wifi
Trade Mark: /
Model number: Smart Bimmer Enet Wifi
Operating Temperature: -10° C to 40° C

Wireless specification:
2.4G WIFI: Max power 15.90dbm in frequency band 2412-2472MHz

This product is a fixed location. To comply with RF exposure requirements, a minimum separation distance of 20cm must be maintained between the user’s body and the  device, including the antenna. The device complies with RF specifications when the device used at 20cm from your body. Use only the supplied or an approved antenna.
This  device in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. All essential radio test suites have been carried out.

FCC Warning:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device  must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to  provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not  installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur  in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with minimum distance between 20cm the radiator your body:  Use only the supplied antenna.
FCC ID: 2AXH4-BFEW

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