I2C, TTL, RS232, Other

Relay Modules with TTL, RS232 Interface

2 Channel Intelligent Relay Controller (SCR02)

Code: MCU-60091

The SCR02 Intelligent Relay Controller can automatically control up to two relays based on inputs from supported ultrasonic range finders or from any sensor with an analog output such as temperature or infrared sensors. Configuration is easy via the free utility, allowing the controller to open a...

$62.95

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8 Channel Relay Module with Serial & I2C (RLY08)

Code: MCU-60086

The RLY08 provides eight volt free contact relay outputs with a current rating of up to 1Amp each. The board is controlled via I2C or TTL Serial interfaces making it perfect for use with microcontrollers. Up to eight modules can be connected together via the serial or I2C bus for controlling up t...

$61.95

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Pololu Basic 2-Channel SPDT Relay Carrier with 12VDC Relays (Assembled)

Code: MCU-60166

The Pololu basic 2-channel relay carrier modules allow simple, independent control of two single-pole, double-throw (SPDT) switches from low-voltage, low-current control signals.

$12.95

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Ship 37 units in 7 days

Pololu Basic 2-Channel SPDT Relay Carrier with 5VDC Relays (Assembled)

Code: MCU-60165

The Pololu basic 2-channel relay carrier modules allow simple, independent control of two single-pole, double-throw (SPDT) switches from low-voltage, low-current control signals.

$13.95

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Pololu Basic SPDT Relay Carrier with 12VDC Relay (Assembled)

Code: MCU-60121

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...

$7.95

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Pololu Basic SPDT Relay Carrier with 5VDC Relay (Assembled)

Code: MCU-60120

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 ...

$7.95

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Pololu Basic 2-Channel SPDT Relay Carrier for "Sugar Cube" Relays

Code: SKU-003255

Pololu’s basic 2-channel relay carrier board makes it easy to incorporate two “sugar cube”-style power relays into your electronics project. Integrated MOSFETs allow the relays to be controlled with low-current digital inputs, an indicator LEDs show when the relays are activated.

$5.95

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Ship 78 units in 7 days

Pololu Basic 2-Channel SPDT Relay Carrier with 12VDC Relays (Partial Kit)

Code: SKU-003257

The Pololu basic 2-channel relay carrier modules allow simple, independent control of two single-pole, double-throw (SPDT) switches from low-voltage, low-current control signals.

$10.95

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Ship 24 units in 7 days

Pololu Basic 2-Channel SPDT Relay Carrier with 5VDC Relays (Partial Kit)

Code: SKU-003256

The Pololu basic 2-channel relay carrier modules allow simple, independent control of two single-pole, double-throw (SPDT) switches from low-voltage, low-current control signals.

$11.95

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Ship 34 units in 7 days

Pololu Basic SPDT Relay Carrier for "Sugar Cube" Relays

Code: SKU-003252

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.

$3.55

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Ship 51 units in 7 days