Product description FEATURES 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 K light; 4. Support relay switch status query, query
command: OXFF; 5. Onboard 85V, 10A/250VAC, 10A/30VDC relays, The electrical appliance has a long service life and can be connected 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 freewheelingprotection functions. 9.
Board size: 76.9 * 80.6MM Onboard 8-bit microcontroller chip CH340 USB to serial control chip included Power LED indicator and relay status LED indicator Compatible with serial port debugging software at 9600 baud rate Onboard 85V, 250VAC, 30VDC Supports relay switch status query with command: OXFF Includes relay and power indicators 5V power supply Long relay lifespan, connect continuously for 100, 000 times Recommended external power for multiple relays due to USB current limits Relay switch signal USB/external power supply switch supported External power supply port for DC5V connection
Board size: 76.9 * 80.6MM Overcurrent protection and relay diode freewheeling protection USB HOLDER for communication/power supply 1
USB HOLDER: USB COMMUNICATION/POWER SUPPLY; 2
EXTERNAL POWER SUPPLY PORT: CONNECT TO DC5V POWER SUPPLY. DUE TO THE LIMITED OUTPUT CURRENT OF USB, IT IS RECOMMENDEDTO USE EX...