Product Quantity Subtotal Winsen MQ-2- Smoke Sensor $0.51 Winsen MQ-2- Smoke Sensor quantity × $0.51 Winsen MQ-2- Smoke Sensor quantity $0.51 AD9850 DDS Signal Generator Module $8.36 AD9850 DDS Signal Generator Module quantity × $8.36 AD9850 DDS Signal Generator Module quantity $16.72 5V Modbus RTU 8, Channels Relay Module, Input Optocoupler, Isolation RS485 MCU for, Arduino $10.78 5V Modbus RTU 8, Channels Relay Module, Input Optocoupler, Isolation RS485 MCU for, Arduino quantity × $10.78 5V Modbus RTU 8, Channels Relay Module, Input Optocoupler, Isolation RS485 MCU for, Arduino quantity $10.78 Coupon: Apply coupon Update cart Cart totals Subtotal $28.01 Total $28.01 — OR — Proceed to checkout
