This RC relay enables easy control of...
This RC relay enables easy control of large, electrically isolated loads in radio control (RC) systems. The activation threshold and direction are configurable, and a safe-start feature reduces the likelihood of unexpected activation.
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This assembled version ships with the 5V relay, terminal block, and straight male header pins soldered in, so it can be integrated into hobby RC systems without the need for additional soldering. The included power relay is an Omron G5LE-14-DC5 and is rated for up to 10 A under most conditions.
This product consists of a single-pole, double-throw (SPDT) power relay and a control circuit that measures incoming radio control (RC) signals, making it easy to control large, electrically isolated loads in RC systems. Example applications include using extra channels on an RC receiver or servo controller to turn on lights, motors, or irrigation valves. The RC switch is available pre-soldered or as a partial kit that allows for greater application flexibility:
The RC switch measures the width of incoming RC pulses and compares it to a user-configurable threshold (with ±64 µs of hysteresis) to decide whether to activate the relay. By default, the threshold is approximately 1700 ?s, with switch activation occurring above the threshold (longer pulses), but the switch has a learning mode that allows you to change the threshold and the activation direction. A safe-start feature reduces the likelihood of unexpected activation.
We generally recommend using a 4- or 5-cell NiMH or NiCD battery pack to power the switch. The battery pack will typically be connected to an RC receiver or servo controller, which passes the power on to the RC switch.
The included relay is an Omron G5LE-14-DC5 (1MB pdf) and is rated for up to 10 A under most conditions.
The Pololu RC Switch with Relay is available in two versions:
Warning: When soldering the terminal block into the partial kit version, be sure to use the larger set of holes. If you use the smaller holes, which are intended for 0.2? male header pins, there will not be enough space to mount the relay.
The board has four mounting holes that work with #2 or M2 screws (not included).
The RC switch provides feedback about what state it is in via a yellow indicator LED. Status information is also provided on two output pins:
More information about the Pololu RC Switch with Relay can be found in the user’s guide.
Warning: This product is not designed to or certified for any particular high-voltage safety standard. Working with voltages above 30 V can be extremely dangerous and should only be attempted by qualified individuals with appropriate equipment and protective gear.
|The Pololu RC Switch with Relay connected to a typical RC receiver.|
We offer an RC switch with a digital output for applications that just require a low-current digital signal, and we offer two versions of this switch with integrated MOSFETS instead of a relay: RC switch with a small MOSFET and RC switch with a medium MOSFET (the latter of which also has an integrated voltage regulator) .
|The Pololu RC Switch family of products.|