1 channel relay module The new 5V Relay Module Can be used as microcontroller development board module can be used as home appliance control 5 V-12V to TTL control signal The control signal DC or AC, 220V AC load can be controlled There is a normally open and one normally closed contact Power indicator light Control indicator, pull off, disconnect does not shine Transistor drive to increase the relay coil control pins high impedance The control pin has a pull-down circuit to prevent malfunction relay vacant 2 channel relay module 5V 2-Channel Module Relay Board, Driver Current:15-20mA each Indication LED's for Relay output status IN: can be low level control relay Equiped with high-current relay, AC250V 10A ; DC30V 10A Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA Fault-tolerant design, even if the control line is broken, the relay will not operate The module can be high or low by a jumper setting trigger The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient Package: 2*2 Channel Module 2* 1 Channel Module
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