Datasheet

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3.Wireless Module Socket: plug wireless module to this socket if you want to control the
board with wireless mode, compatible with XBee, BluetoothBee and WiFiBee.
4.DS18B20 Port: connect a DS18B20 sensor to get temperature and displays on your
computer or phone.
5.Password Reset Button: considering we may forget board’s password, there is a
convenient way to recover the board’s default password(123456).

Power off the relay board and then long press the password reset button

Power on the relay board

LED “L”blinking a while and then stopped and keep lights on.

Release the password reset button. Password reset success!
6.Relays: these 4 relays are SPDT types, each one can be turned ON/OFF
independently. This kind of relay can stand high voltage up to 10A/250VAC.
7.Output Screw Terminals: these four screw terminals are used to connect electrical
equipment, such as light bulbs, fans, heaters or anything you want to control with
TOSR14x. You need to power equipment with extra power, but don’t exceed the voltage
that relays can stand, and be careful!
8.DC Power In: connect a DC5V power to this port, then you can control this board in
remote mode.
9.Power Jumper: choose a power source between USB and DC power.