12V 2 Way Two Channel Relay Module Expansion board For Arduino ARM PIC AVR DSP
Module features:1, Relay 12V DC power supply, control signals can be directly connected to the microcontroller IO port, you can also use 12V direct control relay.2, each relay has a normally open, normally closed contact group.3, the input control signal lines:VCC is connected to 12V DC positiveGND with 12V DC negativeIN1 IN2 is connected to control signals, 12V, high relay, low relay disconnected.4, power indicator, and 2-way relay working status indicator, patch.5, SMD Diode M7, reverse protection.6, the opposite of the circuit board to solder on the tin bold, to ensure reliable 10A.7, there are four screw holes of 3mm diameter, easy to install, screw hole center spacing of 40.5mm X-35.5mm8, And compact size, easy installation. PCB size: 41mm X 46mm high 20mm9, the pin with yellow and black color, the default random deliveryPackage List:1 * 12V 2 channel relay module