Product selling point: 1. Using high-quality materials, the quality is guaranteed 2. The module is equipped with a USB-to-serial chip and microcontroller with stable performance 3. You can use serial debugging software to send serial commands on the computer to control the opening and closing of the relay 4. With transition protection and relay diode freewheeling protection function 5. Wide applicationParameter: Controller chip: Onboard high-performance microcontroller chip Control chip: onboard CH340 USB control chip LED indicator: On-board power LED indicator and relay status LED indicator On-board 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can be continuously pulled in 100,000 times Protection function: with transition protection and relay diode freewheeling protection functionPackage Included: 1* Relay module
