A carputer, or car-puter, is a computer with specializations to run in a car, such as compact size, low power requirement, and some customized components. The computing hardware is typically based on standard PCs or mobile devices. They normally have standard interfaces such as

Bluetooth Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limi ...

USB Universal Serial Bus (USB) is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers. A broad v ...

, and

WiFi Wi-Fi () is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves ...

. The first carputer was introduced by

Clarion Clarion may refer to: Music * Clarion (instrument), a type of trumpet used in the Middle Ages * The register of a clarinet that ranges from B4 to C6 * A trumpet organ stop that usually plays an octave above unison pitch * "Clarion" (song), a 2 ...

on December 4, 1998, although

on-board diagnostics On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. OBD systems give the vehicle owner or repair technician access to the status of the various vehicle sub-systems. The amount of diagnostic inf ...

have been employed since the 1980s to precisely measure the amount of fuel entering the engine as the

carburetor A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meteri ...

s got too complex. A challenge to installing a computer in a car is the power supply. Energy is supplied as a nominal 12 VDC in cars or 24 VDC in some trucks. The voltage varies according to whether the engine is on or off since the battery generally delivers 12V, while the generator supplies more. There can be peaks, and at ignition time the supply current drops. External DC/DC converters can help to regulate voltages. Police cars often have

Mobile data terminal A mobile data terminal (MDT) or mobile digital computer (MDC) is a computerized device used in emergency services, public transport, taxicabs, package delivery, roadside assistance, and logistics, among other fields, to communicate with a centra ...

s in the form of a laptop swivel mounted where the driver's armrest would be. This can be used to log data and to query networked databases. Microsoft developed

Windows Embedded Automotive Windows Embedded Automotive (formerly Microsoft Auto, Windows CE for Automotive, Windows Automotive, and Windows Mobile for Automotive) was an operating system subfamily of Windows Embedded based on Windows CE for use on computer systems in automo ...

and used it with the AutoPC, a brand of carputer jointly developed with

. The system was released in 1998, and referred to the operating system itself as "Auto PC". It was based on

Windows CE Windows Embedded Compact, formerly Windows Embedded CE, Windows Powered and Windows CE, is an operating system subfamily developed by Microsoft as part of its Windows Embedded family of products. Unlike Windows Embedded Standard, which is base ...

2.0. It evolved into "Windows CE for Automotive". The platform was used for the first two generations of

MyFord Touch Myford Limited is a British machine tool manufacturer originally based at 10-12 East Parade, Leeds, West Yorkshire in the United Kingdom under its former name of L & P 240 Limited. The company is notable for its continuation of production of Myfo ...

while the third generation runs

QNX QNX ( or ) is a commercial Unix-like real-time operating system, aimed primarily at the embedded systems market. QNX was one of the first commercially successful microkernel operating systems. The product was originally developed in the early 19 ...

from

BlackBerry Limited BlackBerry Limited is a Canadian software company specializing in cybersecurity. Founded in 1984, it was originally known as Research In Motion (RIM). As RIM, it developed the BlackBerry brand of interactive pagers, smartphones, and tablets ...

.Ford dumps Microsoft for Blackberry for Sync 3
''

USA Today ''USA Today'' (stylized in all uppercase) is an American daily middle-market newspaper and news broadcasting company. Founded by Al Neuharth on September 15, 1982, the newspaper operates from Gannett's corporate headquarters in Tysons, Virgini ...

'' (12/11/2014)

Tablet computers A tablet computer, commonly shortened to tablet, is a mobile device, typically with a mobile operating system and touchscreen display processing circuitry, and a rechargeable battery in a single, thin and flat package. Tablets, being comput ...

such as the

Nexus 7 Nexus 7 is a series of Android-based mini tablet computers co-developed by Google, and may refer to: * Nexus 7 (2012), the first generation * Nexus 7 (2013) The second-generation Nexus 7, also commonly referred to as the Nexus 7 (2013), ...

can be installed either permanently (in-dash) or removably (a dock). It can be used for watching movies or listening to music, as well as for GPS navigation. It also has Bluetooth for

hands-free Handsfree is an adjective describing equipment that can be used without the use of hands (for example via voice commands) or, in a wider sense, equipment which needs only limited use of hands, or for which the controls are positioned so that the ...

calls.

Computers can be used to decode

(OBD) data to a visual display. Many interfaces are based on the

ELM327 The ELM327 is a programmed microcontroller produced for translating the on-board diagnostics (OBD) interface found in most modern cars. The ELM327 command protocol is one of the most popular PC-to-OBD interface standards and is also implemented ...

OBD Interpreter ICs. STN1110 is also known to be used.STN1110 specifications
/ref>

References

{{Carputer In-car entertainment Mobile computers Windows Embedded Automotive devices Auto parts

See also

References