TOSR02-T - 2 Channel Smartphone Relay Bluetooth Remote Control Kit -DS18B20
Product Code: G5260ADE381B33
Product Description

This is a Bluetooth controlled relay remote control kit that includes:

1 x 4 Channel USB/Wireless Relay Module -DS18B20

1 x Bluetooth Bee Wireless module

1 x Water proof DS18B20

1 x Mini USB cable

You can easily control this relay module by your computer or cell phone using Bluetooth.

We also provide a FREE android App TOSR Bluetooth. You can control your device by your phone very easily.

You can download it here: TOSR Bluetooth

USB/Wireless Relay  module Description:

This USB/Wireless relay module allows computer control and 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 Bluetooth Bee or Wifly module, which means now you can control your device by Zigbee or Bluetooth or WiFi !

The TOSR04-T 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 your thermostat or any other similar application.

Relay power rating

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

A full datasheet for the relays used on the TOSR02-T is here: G5LA datasheet

If you use DC Power ,the Input voltage should be DC5V.

First Step - Install the Driver

The TOSR02-T module uses FT232RL USB to UART chip. Before using the TOSR04-T you will need to download the FT232RL Driver.

Connect the TOSR02-T and windows will detect it and ask for the drivers. Point windows to the inf folder and it will install the driver.

The TOSR02-T will now appear as a com port.


The TOSR02-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 TOSR02-T up and running in the minimum amount of time we have put together an example program to demonstrate the functionality of the module.


$43.95 inc. tax
Units in Stock: 100
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