Feature:
1. Simple operation, most serial commands are single‑byte commands.
2. With capacitor filter circuit, which has improved stability.
3. Onboard 2 relay, which can be accessed extended 2‑way relay module.
4. Two‑channel relay, plus two expansion IO ports, low‑level output.
5. Built to meet standard specification, strictly follow factory quality control.
Specification:
Condition: 100% Brand New
Item Type: Relay Switch Board
Material: Plastic
Color: As picture shown
Two-Channel Serial Relay:
Channel: Two-channel relay, plus two expansion IO ports, low-level output
Interface: DB9 female/male RS232 level, can control the relay on, off, self-locking, inching through the super terminal (serial port debugging software) on the computer.
Working Voltage: DC 12V power supply (range: 8.5-13.5V)
Control Voltage: DC 9V 12V or DC 1-48V or AC 85-265V
Control Current: 10A
Package List:
1 x Relay Switch Board