| Pin | Name | Description | Technical | 
|---|---|---|---|
| 1 | CLK | Clock | CLK/CTS, Open-collector | 
| 2 | DATA | Data | RxD, Open-collector | 
| 3 | /RESET | Reset | |
| 4 | GND | Ground | |
| 5 | VCC | +5 VDC | 
If you did publish instruction for  Do-It-Yourself device with this pinout,  share the link  with us.
| Pin | Name | Description | Technical | 
|---|---|---|---|
| 1 | CLK | Clock | CLK/CTS, Open-collector | 
| 2 | DATA | Data | RxD, Open-collector | 
| 3 | /RESET | Reset | |
| 4 | GND | Ground | |
| 5 | VCC | +5 VDC |