DEVMO 8 Channel DC 5V Relay Module Board, (4PACK) Electrical Equipments 8-Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch 4 PCS auspowers_batchthree and the green light indicates

and the green light indicates charging is complete

Specification: Interface: I2C I2C Address: 0x27 Pin Definition : GND、VCC、SDA、SCL Back lit (Yellow with Black char color) Supply voltage: 5V Size : 60mm×99mm Contrast Adjust : Potentiometer Backlight Adjust : Jumper Package Included: 1IIC/I2C/TWI 2004 20X4 Serial Yellow Green Backlight LCD Display Module

This stand is the ideal accessory for those who are constantly on-the-go

Power: 300 Watt (75W x 4)Bluetooth Support: A2DP

Wide Use Range: Can be used in supermarket

DEVMO 8 Channel DC 5V Relay Module Board, (4PACK) Electrical Equipments 8-Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch 4 PCS auspowers_batchthree and the green light indicatesDEVMO 8 Channel DC 5V Relay Module Board, (4PACK) Electrical Equipments 8 Ch Optocoupler Compatible with PIC AVR DSP ARM MCU PLC Smart Home Control Switch DC 5V 8 Channel Relay Module Feature: 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 A power indicator