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12V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP ARM For Arduino
- DC voltage relay
- load power trigger
- 5v/12v for option
- optocoupler isolation module
- Product description: 12V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP ARM For Arduino
PRODUCT INTRODUCTION
12V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP ARM For Arduino
Lower Singal leval trigger
one channel, two channels,four channels,eight channels
1 channel, 2 channels,4 channels,8 channels