| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $21.39 | $20.96 | $20.30 | $19.43 | Contact US |
0-10V/0-25mA 4-Channel Current Voltage Signal Generator Brightness Adjustable LED Signal Collector with 35MM DIN-Rail Base
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Free Drive 8 Channel 12V USB Relay Module for Computer Intelligent Control Switch
Description:
1 square onboard USB interface for connection stability
2 the use of imported high-performance USB controller chip
3 Using genuine Songle relay
4 military grade PCB board production
5 reserved power connector, connect the power, even if the computer off or unplug the USB from the computer, the relay can also remains set.
6. PCB size: 71.5mm * 65.3mm
7 Fixed Hole Size: 3mm, fixing hole central moments: 67.4mm * 61.3mm
Application software:
1 green indicates the relay is closed, the red disconnect
2 Open the device, the software automatically obtain the current operating state of the relay
