Teabox Accessory:
Project Splitter

The Project Splitter offers a simple, inexpensive, do-it-yourself solution to access the Teabox's RJ11 (telephone) jack inputs. It comes with 3 headers and 4 rubber feet that may be attached, or you may solder your custom sensor technology directly to the board.

One use of the Project Splitter is to bus 4 sensors together for a long distance before splitting them into 4 separate inputs. For a more full-featured device, check out our Expander.

View the Technical Specifications in a separate window.

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T301D
Project Splitter
[$25]

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Technicnal Specifications for Electrotap T301D Project Splitter

Technical Specifications for Electrotap T301D Project Splitter

Physical Attributes

Dimensions: 6 3/8in (161mm) x 3/4in (20mm) x 3/8" (10mm)
Solder Mask Color: Blue
4 3-pin headers on 0.1 inch (2.54mm) spacing.
Temperature Range: -30C to 75C (-21F to 160F)

Ordering Information

Project Version (includes 6 foot RJ11 cable and 4 3-pin headers for soldering) - T301D

Electrical Specifications

Voltage Source: 0-5 Volts
Minimum Current Source: depends on application.
Voltage Returned by Sensor: depends on application.

Cable Specifications

Electrotap P/N: CAB-RJ11-6
Standard 6 foot (approximately 2 meter), 6 conductor RJ11/Telephone cable.
Color: White
RJ11 connector layout (teabox end):
- Pin 1: 5 Volts
- Pin 2: Sensor 1
- Pin 3: Sensor 2
- Pin 4: Sensor 3
- Pin 5: Sensor 4
- Pin 6: Ground
RJ11 connector layout (sensor end):
- Pin 1: Ground
- Pin 2: Button S1
- Pin 3: Button S2
- Pin 4: Button S3
- Pin 5: Button S4
- Pin 6: 5 Volts

Application Examples

For any application where it is desireable to have an RJ11 line split into 4 separate generic inputs.
Any custom circuitry may be soldered directly to the board, or may use the 4 3-pin headers which are provided.

Application Notes

ALWAYS carefully test all custom circuits thoroughly with an ohm meter prior to giving the circuit power. Especially be sure to check that there is resistance between power and ground. SHORT CIRCUITS MAY DESTROY YOUR INTERFACE.

Teabox Accessory: Project Splitter