LOW COST 1-Channel 20A SPDT Relay Controller with RS-232 Interface

R120HPRS
$48.00
LOW COST 1-Channel 20A SPDT Relay Controller with RS-232 Interface

Pro Series

The Pro Series controllers offer a economical board with a limited command set.  Great for users who are interested in controlling the relay through a DB-9 interface with limited commands to enable and disable the device.

RS232 Control

The R120RS features include no-click startup, LED status lights, and E3C compliance.  Relays can be controlled at 9600 baud and the board is compatible with ANY computer or micro-controller capable of delivering RS-232 data.
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LOW COST 1-Channel 20A SPDT Relay Controller with RS-232 Interface

R120HPRS
$48.00