TOSR04-T - 4 Channel USB/Wireless 5V Relay Module Temperature Sensor Support
Product Code: G51C8100F2DC6D
Product Description
This USB/Wireless Relay module allows your computer to control external devices turning ON/OFF via the computer USB port.

It also has a wireless extension port that can work with XBEE or Bluetooth Bee or Wifly Module, which means that you can now control your device via Zigbee or Bluetooth or WiFi !

The TOSR04-T 4 channel USB/Wireless 5V Relay module can be powered by USB bus or DC power and provides four volt free contact relay outputs with a current rating of up to 10 Amp each.

It also has a DS18B20 temperature sensor port. You can use it make a thermostat.
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 TOSR04 is here: G5LA datasheet
If you use DC Power, the input voltage should be DC 5V.

First Step - Install the Driver

The TOSR04-T module uses FT232RL USB to UART chip. Before using the TOSR04-T you will need to download the FT232RL Driver.

Connect the TOSR04-T and windows will detect it and ask for the drivers. Point windows to the inf folder and it will install the driver.

The TOSR04-T will now appear as a com port.

The TOSR04-T operates with an easy to use command set as described in the table below.
TOSR04-T Baud rate : 9600 

Test program

To get the TOSR04-T up and running in the minimum amount of time we have put together an example program to demonstrate the functionality of the module.

Bluetooth control
WIFI control


$34.95 inc. tax
Units in Stock: 100
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Product Condition: New
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