Posts Tagged ‘automotive’

App note: Comparison of LED circuits

Sunday, August 4th, 2019

Another application note from OSRAM on different LED circuit design failure mode. Link here (PDF) In recent years, Light Emitting Diodes (LEDs) have become a viable alternative to conventional light sources. The overriding advantages long life, high efficiency, small size and short reaction time have lead to the displacement, in...

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App note: Active filtering in automotive audio applications

Sunday, November 18th, 2018

App note from Texas Instruments on isolating DC and high frequency noise in audio using their automotive op amps. Link here (PDF) Phone calls, emergency alerts, and music are just a few of the reasons that a high quality audio system is vital in automotive infotainment and clusters. Operational amplifiers...

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App note: LED diagnosis in automotive applications

Sunday, September 30th, 2018

App note from OSRAM about different approaches on LED string diagnostic in automotive. Link here (PDF) One requirement especially in automotive applications is the diagnosis of failures in functions and systems. Therefore light functions realized with LEDs like break light, daytime running light, low and high beam may require a...

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App note: RT2875 3A automotive buck converter

Sunday, September 2nd, 2018

An application note from Richtek on buck converter used in automotive application. Link here (PDF) Automotive environment can be quite harsh and designing electronics that need to work reliable in this environment takes special care, and often requires automotive qualified parts. When designing voltage regulators that need to step down...

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App note: High-frequency automotive power supplies

Sunday, March 11th, 2018

Switching power supply used in automotive electronics app note from Maxim Integrated. Link here (PDF) The combination of high switching frequency and high-voltage capability is difficult to achieve in IC design. You can, however, design an automotive power supply that operates with high frequency if you protect it from temporary...

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App note: Automotive circuit protection using Littelfuse automotive TVS diodes

Sunday, November 22nd, 2015

An interesting app note from Littelfuse about automotive circuit protection but also discusses about where transients came from in an automotive setup. Link here (PDF) The designers of automotive electronics face many technical challenges during the system design process, including designing methods of protection against a variety of electrical hazards....

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Ford Traffic Tamer App challenge

Friday, December 13th, 2013

Ford is currently sponsoring the Traffic Tamer App Challenge aimed at solving the issue of traffic congestion in the city of London. Part of this challenge encourages developers to use OpenXC in their solution to address the problem. Submissions are open until January 15th, 2014. The use of Ford’s OpenXC...

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Posted in contest | 1 Comment »

Ford Mustang haptic feedback shift knob using OpenXC

Tuesday, July 30th, 2013

The Haptic Feedback Shift Knob is a replacement for a manual transmission shift knob that adds haptic and visual feedback to help drivers shift appropriately. An Android application monitors the vehicle's speed, RPM and accelerator pedal position. Based on this information, the application calculates and then indicates to the driver...

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Posted in Android, Arduino, hacks, sensors | 2 Comments »

R-Pi based Volvo S80 replacement nav system

Wednesday, June 12th, 2013

Reinis has been working on this Raspberry Pi based project for some time. It's about replacing stock navigation system for Volvo S80 (which does not, and will not have maps for my home country). It had a nice motorized display and buttons on steering wheel for control. I really did...

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Posted in R-Pi | No Comments »

Ford’s OpenXC vehicle data bus interface project

Friday, January 11th, 2013

At the 2013 Consumer Electronics Show (CES) Ford announced their OpenXC project, a combination of open source hardware and software that lets you extend your vehicle with custom applications and pluggable modules. It uses standard, well-known tools to open up data from the vehicle to developers. The OpenXC team explains,...

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Posted in Android, code, data transfer, open source | 3 Comments »

Freediag open source vehicle diagnostic suite

Sunday, December 9th, 2012

Ever wonder what's happening on your vehicle's data bus? Here's an open source software tool suite which hopes to open this data to your Linux box. "Freediag is a suite of vehicle diagnostic protocols and an OBD II (mostly) compliant scanning tool, currently for Linux platforms. Multiple graphical user interfaces...

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Posted in code, Linux, open source, tools | 4 Comments »

Car Kracker hacks auto ISO 9141 data bus

Friday, August 3rd, 2012

Nicholas McClanahan over at GadgetGangster has written an article about their new project known as Car Kracker. It's an automobile data bus interface based on the Parallax Propeller which interfaces with the data bus connector on select BWM, Mini and Land Rover models. It allows you to access, add and...

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Posted in hacks, kit biz, open source, tools | 2 Comments »

DIY Arduino 6-channel temperature monitor

Thursday, May 10th, 2012

Johnathan Hottell wanted a way to monitor and display the temperature readings at various points around the engine on his LB7 Duramax diesel truck. He developed this project for a six channel temperature monitor employing a bank of thermistors to monitor various engine locations. They are read each second by...

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Posted in Arduino, DIY, LCD, sensors | 4 Comments »

CAN-BUS based OBD reader

Tuesday, April 17th, 2012

Debraj has been developing a project to read the OBD information through CAN bus. His design is based on the dsPIC33FJ128MC802 (3.3V) and MCP2551. He is using a factory stock OBD cable and feeding the data into a jack on the project board. The data is displayed on a 16x4...

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Posted in code, data transfer, how-to | 2 Comments »

DIY iPhone remote automotive ignition

Friday, December 30th, 2011

Will O'Brien developed this project allowing him to remotely start his car via an SMS sent to a jailbroken iPhone. The additional hardware involved is an Arduino, iPhone breakout board such as the PodBreakout Mini, 4x 10k resistors, 1x TIP120 and a 5 volt switching supply cell charger. All the...

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Posted in Arduino | 1 Comment »

Ford and Bug Labs develop open-source R&D platform

Monday, September 19th, 2011

According to Ford Motor Company's press release, they are partnering with Bug Labs * Ford and Bug Labs, an open-source hardware and software provider, announce a joint development project to research, develop and distribute open-source developer tools to advance in-car connectivity innovation. * Known as “OpenXC,” the research platform is...

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Posted in dev boards, open source | 3 Comments »

Introduction to the Controller Area Network (CAN)

Friday, June 10th, 2011

A controller area network (CAN) is ideally suited to the many high-level industrial protocols embracing CAN and ISO-11898:1993 as their physical layer. Its cost, performance, and upgradeability provide for tremendous flexibility in system design. This application report presents an introduction to the CAN fundamentals, operating principles, and the implementation of...

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Posted in app notes, data transfer, documentation | No Comments »

CAN sniffing for steering wheel button presses

Wednesday, March 9th, 2011

Newer protocols are always fun to explore, such as the automotive CAN bus. Here's a project by wire2wire which sniffs the CAN signals from steering wheel controls and converts them to a serial output. The main components are a PIC16F876, MCP2515 and MCP2551. The code and all docs are available...

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Intra-car wireless sensor networks

Tuesday, February 8th, 2011

Wireless sensor networks are used in increasing numbers and levels of complexity in today's automobiles. Here's a lengthy, detailed analysis published by CMU, Pittsburgh, PA detailing their use and interaction in contemporary applications.

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Posted in documentation, RFID, sensors, wireless | 1 Comment »

App Note: CAN basics

Wednesday, January 26th, 2011

The popularity of the Controller Area Network (CAN) protocol has grown exponentially since its introduction in the mid-1980s. Today it's used in automotive monitoring and control systems, medical equipment and industrial automation. Also, more microcontrollers are supporting this protocol. Here's a Microchip Application Note covering the basics of the CAN...

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Posted in documentation | No Comments »

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