1. Connect **Vcc** and **GND**.
2. Connect **Clock** and **Data** line.
- **Interrupt**: **Clock** is on `PD1` and **Data** on `PD0`.(Recommended. Soarer's converter compatible)
- **Busywait**: **Clock** is on `PD1` and **Data** on `PD0`.
- **USART**: **Clock** is on `PD5` and **Data** on `PD2`.
1. Connect **Vcc** and **GND**.
2. Connect **Clock** and **Data** line.
- **Interrupt**: **Clock** is on `PD1` and **Data** on `PD0`.(Recommended. Soarer's converter compatible)
- **Busywait**: **Clock** is on `PD1` and **Data** on `PD0`.
- **USART**: **Clock** is on `PD5` and **Data** on `PD2`.