12 Volt to 9 Volt DC Converter:  Car Converter for12 Volt to 9V (Electronic Schematic / circuit added 4/02)

12V to 9V Car Converter:  (Electronic circuit added 4/05)

12V to 9V with a LM317:  (Circuit added 9/04)

160 Baud ALDL Hardware Interface:  This interface allows the vehicle's ALDL data stream to be displayed in real time on a PC using simple software. The hardware is designed to be able to be constructed by the average hobbyist who has a temperature controlled soldering iron and basic skills in constructing simple electronics. It uses a minimum of (readily available) components consistent with good electronics design.  (Electronic circuit added 4/05)

2 Watt Switching Power Supply:  from 6V to14V (Circuit / schematic design added 6/06)

27C801 EPROM Programmer Project:  (Circuit / schematic design added 6/06)

3rd Brake Light Pulser:  (added 8/03)

3rd Brake light:  (Electronic circuit added 4/05)

5301 Wideband Fuel Mixture Display:  (added 8/03)

6A door lock motor driver for automotive:  AN456, put at low level the enable of the L9937, confirming the hardware switch-off of the motor ; in this condition an output of the half bridge is in... (app note added 6/06)

80188XL Engine Tachometer:  (added 8/03)

A solid state blinker for automotive applications:  AN454 that limits the output current slew rate (di / dt) during the switching edges....  (Circuit / schematic design added 6/06)

Adaptive Braking System (ABS):  National Semiconductor - Application Note   (added 2/06)

Adaptive Windscreen Wiper Control:  (added 8/03)

Agilent TS-5400 Series II Automotive Electronics Functional Test System:  Agilent Application Note  (app note added 6/06)

AN10 Automotive Relay Drivers using the ZVN4206AV: Protection Free Interfacing with Avalanche Rated MOSFETs:  Zetec Semiconductors  - Applications Notes - An alternative solution is provided to the usual large package Darlington effected relay driver. The ZVN4206AV has been designed, processed and rated to withstand significant energy within the breakdown region. This allows the part to absorb back-emf and transient energy, thereby allowing lower component count circuits.   (added 2/06)

AN16 Automotive and Household Siren Driver Circuits: ZSD100 and Discrete 'H'-Bridge Minimum Parts Count Solution:  Zetec Semiconductors  - Applications Notes - A solution is provided that uses a minimum number of components by utilising an application specific signal generation IC, and a high efficiency 'H'-bridge effected with 3A DC rated Super-δ TO92 style switching transistors.   (added 2/06)

AN-453: COPS Based Automobile Instrument Cluster:  National Semiconductor - Application Note (app note added 2/06)

AN-454: Automotive Multiplex Wiring:  National Semiconductor - Application Note (app note added 2/06)

AN5 Super E-Line Applications in Automotive Electronics: Replacement of Large Packaged Transistors with an Enhanced TO92 Product:  Zetec Semiconductors  - Applications Notes - Load drivers within automotive systems have to tolerate extreme environmental and electrical conditions. This note describes how the Silicone encapsulated E-Line range can provide cost and performance benefits to the Automotive systems designer.   (added 2/06)

AN-673: 2-Way Multiplexed LCD Drive and Low Cost A/D-Converter using V/F Techniques with COP8 Microcontrollers:  National Semiconductor - Application Note   (Circuit / schematic design added 6/06)

AN829: Lightkeeper Automotive Lighting Control Module:  Microchip Application Note - Published 27-Mar-02 (app note added 6/06)

AN-915: Automotive Physical Layer SAE J1708 and the DS36277:  National Semiconductor - Application Note  (app note added 2/06)

Anti-Theft Alarm for Bikes:  (Circuit / schematic design added 6/06)

Anti-Theft Security for Car Audios:  (Circuit / schematic design added 6/06)

Automatic Dual Output Display:  (Electronic Circuit / Schematic added 10/04)

Automatic Headlight Brightness Switch:  (circuit added 7/02)

Automatic Speed-Controller for Fans and Coolers:  (Electronic Circuit / Schematic added 10/04)

Automotive and Household Siren Driver Circuits: ZSD100 and Discrete 'H'-Bridge Minimum Parts Count Solution:  Zetec Semiconductors  - Applications Notes - A solution is provided that uses a minimum number of components by utilising an application specific signal generation IC, and a high efficiency 'H'-bridge effected with 3A DC rated Super-δ TO92 style switching transistors. (app note added 2/06)

Automotive Electronic Functional Test Using Agilent System Components:  Agilent Application Note (app note added 6/06)

Automotive link uses single Wire:  04/03/03 EDN Design Ideas  / (added 1/05)  In the automotive industry, in which the goal is to produce cars with simpler, lighter wiring looms, any interface that uses just one wire instead of two offers a distinct advantage. The circuit in Figure 1 implements a bidirectional link using a single wire, with the car's chassis or ground conductor providing a negative return path.

Automotive Multiplex Wiring:  National Semiconductor Application Notes first published05-Oct-1998 (Electronic Schematic / circuit added 4/02)

Automotive Physical Layer SAE J1708 and the DS36277:  National Semiconductor - Application Note (app note added 2/06)

Automotive protection with the rboxx series:  AN555 See  4.1 : " Protection standards in automotive applications " for more details....  (app note added 6/06)

Automotive Relay Drivers using the ZVN4206AV: Protection Free Interfacing with Avalanche Rated MOSFETs:  Zetec Semiconductors  - Applications Notes - An alternative solution is provided to the usual large package Darlington effected relay driver. The ZVN4206AV has been designed, processed and rated to withstand significant energy within the breakdown region. This allows the part to absorb back-emf and transient energy, thereby allowing lower component count circuits. (app note added 2/06)

Bicycle Back Safety Light:  Flashing13 LED unit,3V supply Also suitable for jogger/walkers (Circuit / schematic design added 6/06)

BMW R Series Motorcycle Regulator Schematic:  (added 8/03)

Book of iButton Standards:  App Note 937: Maxim IC  (app note added 6/06)

Breath Alcohol Tester:  Controls the cars ignition system (Electronic Circuit diagram added 03/03)