Description

Dual-channel/Four-way USB Relay Module USB Intelligent Control Switch Overcurrent and Relay Diode Freewheeling Protection

Dual-channel

Product selling point

1: The module has overcurrent protection and relay diode freewheeling protection functions

2: Support relay switch status query

3: Onboard power LED indicator and relay status LED indicator

4: Onboard CH340 USB control chip

5: Onboard 8-bit high-performance microcontroller chip

1. Onboard 8-bit high-performance microcontroller chip

⒉Onboard CH340 USB control chip

3. Onboard power LED indicator and relay status LED indicator

4. Support relay switch status query

5. Onboard ⒉5V, 10A/250VAC, 10A/30VDC relay, the relay has a long life and can be activated continuously for 100,000 times

6. The module has overcurrent protection and relay diode freewheeling protection functions

7. Board size: 50*40mm

Checklist

1*relay module

Four-way

Product selling point

1: The module has overcurrent protection and relay diode freewheeling protection functions.

2: Onboard 8-bit high-performance microcontroller chip

3: Output type: relay switch signal

4: Onboard power LED indicator and relay status LED indicator

5: Onboard CH340 USB control chip

1. Onboard 8-bit high-performance microcontroller chip;

2. Onboard CH340 USB to serial control chip;

3. Onboard power LED indicator and relay status LED indicator;

4. Support relay switch status query, query command: OxFF;

5. There are 4 onboard 5V, 10A/250VAC, 10A/30VDC relays, the relay has a long life and can be activated continuously for 100,000 times;

6. Power supply voltage: 5V, support USB power supply/external power supply switch;

7. Output type: relay switch signal;

8. The module has overcurrent protection and relay diode freewheeling protection functions.

9. Board size: 56*63mm

Checklist

1*relay module