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# IoT system connection
Connect Odoo Point of Sale with an IoT system to enable communication with hardware devices such as printers, scanners, and payment terminals.
To link your POS with an **IoT system**, follow these steps:
## **Setup process**
1. Ensure both the **Point of Sale** and **IoT** apps are installed in your database
2. Configure your IoT environment:
- **IoT Box**
- or **Windows virtual IoT**
## **Connect devices**
Attach your hardware devices to the IoT system:
| Device | Setup instructions |
| -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Printer** | Connect a compatible receipt printer via USB or network and power it on. See **order printing**. |
| **Cash drawer** | Connect the drawer to the printer using an RJ25 cable. |
| **Barcode scanner** | Ensure the scanner appends an `ENTER` key (keycode 28) at the end of each scan. This is usually enabled by default. |
| **Scale** | **Connect and power on the scale**. |
| **Customer display** | **Connect a display screen** to show POS orders. |
| **Payment terminal** | Setup depends on the device. Refer to **payment terminal documentation**. |
## **Connect IoT to Odoo**
1. **Connect the IoT system to your Odoo database**
2. When prompted, select the **Associated POS** and click **Continue**
The IoT system and connected devices will be automatically linked to your POS.
**Tip**
You can also configure this manually:
1. Go to **POS Settings**
2. Open your POS configuration
3. Enable **IoT Box**
4. Select the devices to use
5. Click **Save**
## **Related resources**
- **Supported hardware list**
- **IoT documentation**
## **Setup example**