TOSR120 - 2 Channel USB/Wireless 5V Relay - Password/Momentary/Latching
Product Code: G56970FE781269
Product Description
TOSR120 is an upgraded version of TOSR02. It supports password. It can be set to latching or momentary outputs. 

TOSR120 allows computer controlled switching of external devices by using the USB port of your computer. It also has a wireless extension port, that can work with Xbee or BluetoothBee or WiFibee module, so, you can control your device via zigbee or Bluetooth or WiFi!

The TOSR120 provides four volt free contact relay outputs with a current rating of up to 10Amp each. There is one DS18B20 temperature sensor port also.

The module is powered from a 5V DC power supply (or USB). The DC input jack is 2.1mm with positive core polarity. The relays are SPDT types. 

If you
want power it with DC 12V or 24V, you just need a 12V/24V-5V DC converter.
Note: Relay board default password is: 123456

Relay power rating

If the relay is used at a voltage or current exceeding the given specification, the life of the contacts may be significantly shortened.

A full datasheet for the relays used on the TOSR08-T is here: G5LA datasheet
If you use DC Power, the input voltage should be DC 5V.

First Step - Install the Driver
The TOSR120 module uses FT232RL USB to UART chip. Before using the TOSR120 you will need to download the FT232RL Driver.

Connect the TOSR120 and windows will detect it and ask for the drivers. Point windows to the inf folder and it will install the driver.

The TOSR120 will now appear as a com port.

The TOSR120 operates with an easy to use command set as described in the table below.

TOSR120 Baud rate : 9600 

Test program

To get the TOSR120 up and running in less time we have put together an example program to demonstrate the functionality of the module.

  • Working voltage: 5V DC
  • Dimension: 89.5 x 45 x 17.2(mm) / 3.52 x 1.77 x 0.67 (inch)
  • Standby Current 10mA/5VDC
  • Current rating of up to 10 Amp.
  • Latching or momentary outputs
  • Password supported
$24.95 inc. tax
Units in Stock: 100
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Product Condition: New
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