4 csatornás DC 12V számítógép USB vezérlőkapcsoló meghajtó relémodul ULN2803 PCB Intelligens vezérlés Max AC 250V 10A DC 30V 10A relé
4 Channel DC 12V Computer USB Control Switch Drive Relay Module ULN2803 PCB Intelligent Control Max AC 250V 10A DC 30V 10A Relay
Module application:
Home smart switch control, hotel smart switch, hotel smart electrical control, smart greenhouse, shopping mall smart switch, company plant smart switch, Internet cafe timing management, karaoke timing control, Internet of Things, industrial control equipment, test equipment power control, street light management , Intelligent management, centralized power management, etc.
Module description:
1. Onboard square USB interface, stable connection
2. Use imported high-performance USB control chip
3. Use the special relay drive chip ULN2803, the relay work is more stable
4. Use genuine Songle relay
5. Military-grade PCB board production
6. Board power sockets and terminals, two power access methods are convenient and flexible. After connecting the power, even if the computer is turned off or the USB is unplugged from the computer, the relay can still maintain the setting state.
7. PCB size: 71.6mm*65.3mm
8. Fixing hole size: 3mm, fixed hole center moment: 67.4mm*61.3mm
Note: Due to the characteristics of the USB protocol, this module is not suitable for use in places with high electromagnetic interference! If you want to use it, please take electromagnetic shielding measures and buy a high-quality USB data cable with electromagnetic shielding.
Product parameters:
Input voltage: DC 12 V
Input current: more than 300mA
Connection method: NC/COM/NO
Relay parameters:
It can control up to AC 250V, 10A AC load and up to DC30V 10A DC load
Wiring diagram:
Chinese and English software interface:
1. Green means the relay is closed, red means open
2. After turning on the device, the software automatically obtains the current working status of the relay
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