All Interior Design Hardware CAD blocks CAD Design Free CAD Blocks Cup Pull designer handles Cup Handles Kitchen Cup Pulls Suffolk Latch Company Cup DWG Block for AutoCAD Designs CAD Decorative Cup Pulls Vintage Cabinet Hardware. This is a 3 Pack of 5V 2 Channel Relay interface board. It cab be used to control various appliances and other equipment with large current. It can be controlled directly by Micro controller (Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). Specifications: Pack of 3 5V, 2 Channel Relay Interface Board Equipped with high current relay AC250V 10A ; DC30V 10A Standard interface that can be controlled directly by micro controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) Indication LEDs for Relay output status It activates on low level There are 4 fixing screw holes around the board, the hole diameter is 3. 1mm, which is convenient for installation and fixing. The relay uses high quality relay, single pole double throw. Optocoupler isolation, good anti interference. Low level pull in, high level release. The status indicator light is on when it is engaged, and it is off when it is released. PCB Color: Black Weight: 31g Dimensions (L x W x H): 51mm x 39mm x 19mm