4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler
| Country | USA |
| Brand | Packt Publishing |
| Manufacturer | Packt Publishing |
| Binding | Paperback |
| ItemPartNumber | Refer to Sapnet. |
| ReleaseDate | 2024-11-29 |
| UnitCount | 1 |
| EANs | 9781835468531 |