SparkFun
Serial Cable DB9 M/F - 6 Foot
$6.45
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A straight-through RS-232 serial cable with DB9 male-to-female connectors, suitable for connecting development boards, serial devices, and legacy equipment t...
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A straight-through RS-232 serial cable with DB9 male-to-female connectors, suitable for connecting development boards, serial devices, and legacy equipment to computers with a standard serial port.
Key Features
- DB9 Male to Female – Standard 9-pin D-sub connectors
- Straight-Through Wiring – Pin-to-pin connection (not null modem)
- 1.8 m (6 ft) Length – Convenient reach for bench and desk setups
Ideal For
- Connecting microcontrollers and development boards via RS-232
- Serial communication with legacy devices and equipment
- Extending DB9 serial port connections
Note: Cable colour and shape may vary slightly from the product image.
Package Contents
- 1× DB9 M/F Serial Cable (1.8 m)
Jargon buster
Plain-language definitions for the technical terms used above.
- RS-232
- RS-232 is an older serial communication standard that uses higher, inverted signal voltages (typically around plus or minus 3 to 15 volts) rather than the low logic levels of modern microcontroller pins. When connecting RS-232 equipment to a microcontroller, you usually need an RS-232 transceiver or level converter rather than wiring it directly, or you risk damaging the pins.
Supplier page — sparkfun.com
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