TOSR196 – 12 Channel Smartphone Bluetooth Relay – (Password/Momentary/Latching)

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TOSR196 is a Bluetooth Relay kit that supports both Android and iOS and it has a  password set option.

It is a convenient and easy-to-use product that be used to control any electrical types of equipment. You can pair up this device with a mobile phone or a computer.

Open the APP->Connect Device, use your phone to search for a new Bluetooth device. The module will appear as “BT Bee-BLE”(iOS) or “BT Bee-EDR”(Android). Connect it and then you can control the relays turning it ON/OFF. The communication way also can be changed easily. Replace the Bluetooth Bee module with a Wi-FiBee, it becomes a Wi-Fi relay.

It supports password. It can be set to latching or momentary outputs.

TOSR196 allows computer control switching of external devices by using the USB port of your computer. It also has a wireless extension port, it can work with Xbee or BluetoothBee or WiFibee module, so, you can control your device via ZigBee or Bluetooth or WiFi.

The TOSR196 provides four-volt free contact relay outputs with a current rating of up to 10Amp each. It comes with one DS18B20 temperature sensor port.

The module is powered using a 5V DC power supply (or USB). The DC input jack is 2.1mm with positive core polarity and the relays are SPDT types. If you want to power it with DC 12V or 24V, you just need a 12V/24V-5V DC Converter.

Note: Relay board default password is: 123456

Note: Please remove the Bluetooth module when you use USB control.

Smartphone App:

We also provide FREE Android/iOS App. You can control your device by your phone very easily.


The TOSR196 operates with an easy to use command set as described in the table below.

TOSR196 Baud rate: 9600


  • Working voltage: 5V DC
  • Bluetooth 4.0
  • Android and iOS supported
  • Dimension: 150x98x17.2(mm)
  • Standby Current 10mA/5V DC
  • Current rating of up to 10 Amp.
  • Each channel can set to Latching or momentary output
  • Password supported


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