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2CH Active H/L 3V OptoCoupler Relay Module
Relay 24V 2CH Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger รีเลย์ 2 Channel - Mikroelec จำหน่าย Arduino โมดูล เซ็นเซอร์ อะไหล่วงจร ใส่ใจบริการ : Inspired by LnwShop.com
ATHOM Tasmota 2CH WiFi Relay Module Inching Switch Self-locking Entry Access Gate Control DC 5V 12V 8V-80V - AliExpress
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DC5V 2 Way 2CH Channel Relay Module With Optocoupler Protection
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5Pcs Two Way 2CH Channel Solid State Relay Module
