Huayao 5PCS 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Arduino Relay

Huayao 5PCS 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for Arduino Relay Features: 1.Name: Arduino kits module 2.5V relay module 1 way relay module ARDUINO 3.New 5V relay module Can be used as a microcontroller development board module, can be used as a home appliance control TTL 5V-12V control signal Control the DC or AC signal, can control the 220V AC load. There is a normally open and normally closed contact Power indicator light Control lamp, pull off bright, bright Transistor drive to increase the relay coil, control the foot high impedance. The control pin has a pull down circuit to prevent the false action of the suspended relay Package include: 5 x modules