I2C, TTL, RS232, Other

Relay Modules with TTL, RS232 Interface

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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.

$ 4.45

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Pololu Basic SPDT Relay Carrier with 12VDC Relay (Partial Kit)

Code: SKU-003254

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals.

$ 8.95

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Pololu Basic SPDT Relay Carrier with 5VDC Relay (Partial Kit)

Code: SKU-003253

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals.

$ 8.95

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SparkFun Beefcake Relay Control Kit

Code: SKU-002310

Your 5V system can wield great power with this big, beefy relay board. How does 20A on the NC contacts and 10A on the NO contacts at 220VAC sound? The SparkFun Beefcake Relay Control Kit contains all the parts you need to get your high-power load under control.

$ 16.95

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