Once properly assembled, the Dual Relay Board Kit allows you to control two high-power devices up to 8A each via the included Omron mechanical relays. The Dual Relay Board can be used to turn lights, fans and motors on/off while keeping them isolated from the microcontroller. Independent control of each relay is provided via a 2 x 3 header making it friendly with servo cables and providing a convenient connection to many development boards, such as the Board of Education, Propeller Board of Education, Professional Development Board and Propeller Professional Development Board.
Easy screw terminals for relay contact and power connections 3-pin servo style headers for easy connection using standard servo cables LED indicators provide status of each relay Control signals are 3.3/5V compatible Power requirement: 12V Current consumption: 85mA Communication: TTL/CMOS Logic (high/low) Dimensions: 58.4 x 45.8 x 18mm Operating temperature range: -40 to +85°C
Parallax offer an extensive range of sensor, communication and interface modules for the experimenter working on robotic systems. Most are supplied with extensive documentation making them ideal for use in education. Further information and tutorials are available from the Parallax website: http://learn.parallax.com/