Switches, Buttons, and Relays

Pololu item #: 2480
Price: $4.95
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Pololu Basic SPDT Relay Carrier with 5VDC Relay (Assembled)

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals. This item includes the basic carrier PCB with a soldered-in 5 V relay, 5.0 mm terminal blocks for the switch connections, and straight 0.1" male header for the control connections. The included relay is an Omron G5LE-14-DC5.

Pololu item #: 2481
Price: $3.95
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Pololu Basic SPDT Relay Carrier with 5VDC Relay (Partial Kit)

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals. This item includes the basic carrier PCB along with an Omron G5LE-14-DC5 5 V relay, 5.0 mm terminal blocks, and 0.1" male headers in straight and right-angle versions. Surface-mount components are pre-assembled on the PCB, but the through-hole components are not installed.

Pololu item #: 2482
Price: $4.95
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Pololu Basic SPDT Relay Carrier with 12VDC Relay (Assembled)

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals. This item includes the basic carrier PCB with a soldered-in 12 V relay, 5.0 mm terminal blocks for the switch connections, and straight 0.1" male header for the control connections. The included relay is an Omron G5LE-14-DC12.

Pololu item #: 2483
Price: $3.95
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Pololu Basic SPDT Relay Carrier with 12VDC Relay (Partial Kit)

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals. This item includes the basic carrier PCB along with an Omron G5LE-14-DC12 12 V relay, 5.0 mm terminal blocks, and 0.1" male headers in straight and right-angle versions. Surface-mount components are pre-assembled on the PCB, but the through-hole components are not installed.

Pololu item #: 2479
Price: $2.49
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Pololu Basic SPDT Relay Carrier for "Sugar Cube" Relays

Pololu’s basic relay carrier board makes it easy to incorporate a “sugar cube”-style power relay into your electronics project. An integrated MOSFET allows the relay to be controlled with a low-current digital input, and a pair of indicator LEDs show when the relay is activated. The three control pins have a 0.1″ spacing compatible with standard solderless breadboards and servo cables, and the switch pins are available for use with 5mm-pitch terminal blocks or 0.2″-spaced pins.

Pololu item #: 1406
Price: $0.75
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Rocker Switch: 3-Pin, SPDT, 10A

This single-pole, double-throw (SPDT) rocker switch makes a great on/off power switch. It is rated for 10 A at 125 VAC and 6 A at 250 VAC.

Pololu item #: 1407
Price: $1.75
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Toggle Switch: 3-Pin, SPDT, 5A

This heavy duty single-pole, double-throw (SPDT) toggle switch makes a great power switch or state selector for user interfaces. It is rated for 5 A at 125 VAC and 2 A at 250 VAC.

New!
Pololu item #: 1408
Price: $1.49
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Mini Slide Switch: 3-Pin, SPDT, 0.3A (3-Pack)

These small single-pole, double-throw (SPDT) slide switches are rated for 300 mA at 50 VDC and make great on/off power switches for low power electronics. They can also be used as a convenient way to choose between two analog or digital input signals. The three pins have a 0.1″ spacing that works with standard solderless breadboards. These switches are sold in packs of 3.

Pololu item #: 1403
Price: $0.95
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Snap-Action Switch with 50mm Lever: 3-Pin, SPDT, 5A

This single-pole, double-throw (SPDT) switch can be used as a general-purpose micro switch, but the long lever arm makes it especially useful as a tactile bump sensor for your robot (e.g whiskers or antennae). The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the lever arm is 50 mm long.

Pololu item #: 1402
Price: $0.75
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Snap-Action Switch with 16.7mm Lever: 3-Pin, SPDT, 5A

This single-pole, double-throw (SPDT) switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the lever arm is 16.7 mm long.

Pololu item #: 1404
Price: $0.85
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Snap-Action Switch with 16.3mm Roller Lever: 3-Pin, SPDT, 5A

This single-pole, double-throw (SPDT) switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the 16.3mm lever arm is has a roller at the tip.

Pololu item #: 1405
Price: $0.75
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Snap-Action Switch with 15.6mm Bump Lever: 3-Pin, SPDT, 5A

This single-pole, double-throw (SPDT) switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the 15.6mm lever arm has a semicircular bump at the tip that simulates a roller.

Pololu item #: 1401
Price: $0.65
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Mini Snap-Action Switch with 13.5mm Lever: 3-Pin, SPDT, 2A

This miniature single-pole, double-throw (SPDT) switch can be used as a general-purpose micro switch or as a small tactile bump sensor for your robot. The switch body dimension is 12.8 x 6.0 x 6.5 mm, and the lever arm is 13.5 mm long.

Pololu item #: 1400
Price: $0.95
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Mini Pushbutton Switch: PCB-Mount, 2-Pin, SPST, 50mA (5-Pack)

These small, two-pin, tactile buttons are intended for mounting to PCBs, but they can also be plugged into standard 0.1" breadboards. They work well as reset buttons and can be connected to microcontroller inputs to serve as a user-interface components. These pushbuttons are sold in packs of 5.

Pololu item #: 750
Price: $6.95
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Pololu Pushbutton Power Switch SV

The Pololu Pushbutton Power Switch is a patented design initially created for our Orangutan Robot Controllers as an alternative to bulky mechanical switches. The switch is intended to be the main power switch for a DC device requiring up to several amps of current. Please see the detailed description for product details and limitations. This item is the 4.5-20 V standard-voltage version.

Pololu item #: 751
Price: $5.95
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Pololu Pushbutton Power Switch LV

The Pololu Pushbutton Power Switch is a patented design initially created for our Orangutan Robot Controllers as an alternative to bulky mechanical switches. The switch is intended to be the main power switch for a DC device requiring up to several amps of current. Please see the detailed description for product details and limitations. This item is the 2.5-7.0 V low-voltage version.

Pololu item #: 752
Price: $5.95
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Pololu RC Switch with Digital Output

This tiny board converts hobby radio control pulses to digital on/off signals for use in RC switch and simple RC adapter applications. One output indicates the presence of a valid RC signal (10-100 Hz pulse rate, 0.5-2.5 ms pulse width), and the other output indicates whether the pulse width is above or below the 1.6 ms threshold (with ±0.1 ms hysteresis).

Pololu item #: 1210
Price: $7.95
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Pololu RC Switch with Small Low-Side MOSFET

This tiny board converts hobby radio control pulses to digital on/off signals for use in RC switch and simple RC adapter applications. One output indicates the presence of a valid RC signal (10-100 Hz pulse rate, 0.5-2.5 ms pulse width), and the other output indicates whether the pulse width is above or below the 1.6 ms threshold (with ±0.1 ms hysteresis). An integrated small, low-side MOSFET can be used to drive small loads (up to around 3 A), such as a relay, when the switch is on.

Pololu item #: 1211
Price: $9.95
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Pololu RC Switch with Medium Low-Side MOSFET

This compact board converts hobby radio control pulses to digital on/off signals for use in RC switch and simple RC adapter applications. One output indicates the presence of a valid RC signal (10-100 Hz pulse rate, 0.5-2.5 ms pulse width), and the other output indicates whether the pulse width is above or below the 1.6 ms threshold (with ±0.1 ms hysteresis). An integrated medium, low-side MOSFET can be used to drive moderate loads (up to around 15 A), such as a relay, when the switch is on.

Pololu item #: 721
Price: $19.95
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Pololu RC Servo Multiplexer 4 Channel (assembled)

This compact device serves as a four-channel multiplexer of hobby radio control pulses, allowing easy switching between two independent signal sources. A fifth channel selects whether the output is from the master or the slave source: a pulse width below the threshold selects the master channels, while a longer pulse width selects the slave channels. This version comes with header pins soldered in.

Pololu item #: 722
Price: $17.95
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Pololu RC Servo Multiplexer 4 Channel (partial kit)

This compact device serves as a four-channel multiplexer of hobby radio control pulses, allowing easy switching between two independent signal sources. A fifth channel selects whether the output is from the master or the slave source: a pulse width below the threshold selects the master channels, while a longer pulse width selects the slave channels. This version is a partial kit.

Pololu item #: 2170
Price: $2.45
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Servo Switch Harness 12"

This 12" (30 cm) harness has an inline on/off switch, with a 0.1" 3-pin female connector on one end and both a male and a female connector on the other.

Pololu item #: 2171
Price: $2.95
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Servo Switch Harness 18"

This 18" (45 cm) harness has an inline on/off switch, with a 0.1" 3-pin female connector on one end and both a male and a female connector on the other.