| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $18.57 | $18.19 | $17.62 | $16.87 | Contact US |
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (CH343G Chip) w/ Isolation
$29.31
Waveshare USB to RS232/485/TTL Interface Converter Communication Module (FT232RNL) w/ Isolation
$33.20
Mini Duplex Hotspot Motherboard for MMDVM Digital Modem Box and 433MHz Antenna Support for DMR / D-Star / NXDN / POCSAG
$32.08
12V NPN No shell 4 Channel Relay Module Control Board Drive Board Module Group
Description:
- Automatic SMT machining
- Has anti surge function
- Protecting circuit
- Each channel light indicator is on, relay is pluggable
Parameters:
- No shell
- Input signal: NPN
- Coil voltage: DC 12V
- Rated current: 10A
- Output signal: 4NO / 4NC
- Size: 72*70*40mm
