2 Kanal Relaismodul SMS GSM Fernbedienung Schalter SIM800C STM32F103CBT6
SMS GSM Remote Control Switch Sim800C Stm32F103C8T6 2 Channel Relay Module for Greenhouse Oxygen Pump Description: Voltage:9V-36V, when using 9V Power supply, the current need above 1A. Relay interface: Using 250V 10A relay, you can directly operate most of the electrical appliances on the market. SIM Card Socket: Insert SIM card when system powered off. (In China, please use mobile or Unicom card). LED interface: There are three LED lights named D3 D6 D7 (D7 is close to the positioning hole, D6 is close to the antenna interface). LED indicator state corresponds to the equipment working conditions are as follows, each column is one state. Package Includes: 1 X 2 Channel Relay Module with GSM Antenna Free 5 in 1 Nano Sim Card Holder.
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