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This is a TSIR04 Wi-Fi version relay board with optically isolated inputs and OLED display and temperature sensor port. You can easily control this relay board by your computer or smartphone using Wi-Fi.
The communication method also can be changed easily. Replace the WiFiBee module with a BluetoothBee, it becomes a Bluetooth relay. It will be a USB relay when you plug a USBBee.
The TSIR04 provides four volt free contact relay outputs with a current rating of up to 10Amp each. The module is powered from a 5V/12V DC power supply. The DC input jack is 2.1mm with positive core polarity, the relays are SPDT types.
Optically Isolated Inputs
TSIR04 has 4 optically isolated input ports. Input voltage absolute max. 30V DC, Operational 4.5V to 27V DC. TSIR0x has 2 working modes:
Normal mode: When the board reads an input signal it recognizes the input state.
Auto mode: When the board reads an input signal it recognizes the input state and turns on the corresponding relay. When the input voltage is removed relay turns off.
OLED display shows the current board state. You can check the state no need connect with you PC.
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 TSIR04 is here: G5LA datasheet
Please choose the correct DC power supply for your board.
The TSIR04 operates with an easy to use command set as described in the table below.
TSIR04 Baud rate: 9600
To get the TSIR0x up and running in the minimum amount of time we have put together an example program to demonstrate the functionality of the module. We also provide a FREE android/IOS App TSIR WiFi. You can control your device by your phone very easily.
Shipping fees for Australian addresses(Item Location: Australia):
Shipping fees for international addresses (Item Location: Australia):
Shipping fees for Australian and international addresses:(Item location: China):
From China: If we ship from China, the delivery time can be from 7 working days to 15 working days. See the proof on the images below. US based orders are delivered more quickly than other countries.
Most of the USA, UK, Canada, Australia, and Germany based orders are delivered within 7 days. However, because of customs related processes, it can sometimes take up to 15 days. Check out all the shipment proof images on this page.
From Australia: If you have chosen standard post, you will receive your parcel in 3-5 days (in Australia) and 5-7 days (outside Australia)
If you have chosen economy post, you will receive your parcel in 3-5 days (in Australia) and 15-25 days (outside Australia)
What is the proof that we really ship and they are delivered ?
Where do we ship from ?
We ship our products from Australia and China depending upon what you purchase. BuildCircuit's original products are shipped from Australia.