{"id":15190062530720,"title":"ESP32 2 Channel 5V Relay Module 4MB Flash Large Capacity Programmable Relay Board for Secondary Development Learning","handle":"esp32-2-channel-5v-relay-module-4mb-flash-large-capacity-programmable-relay-board-for-secondary-development-learning","description":"\u003ch3\u003eESP32 2-Channel 5V Relay Module 4MB Flash Large Capacity Programmable Relay Board for Secondary Development Learning\u003c\/h3\u003e \u003cp id=\"b\"\u003e\u003c\/p\u003e \u003ch3\u003eProduct Features\u003c\/h3\u003e \u0026lt; ul class=\"a\"\u0026gt; \u003cli\u003eMature and stable module: This module supports I\/O port as well as UART program download port with all pinouts, programmable buttons and reset buttons, mature and stable. li\u0026gt; \u003c\/li\u003e\u003cli\u003eSafe and harmless: The double relay board is equipped with WiFi and BLE modules, which are harmless to the human body and provide safety for the operator.\u003c\/li\u003e \u003cli\u003eOutput switching signal: This 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2-Channel 5V Relay Module 4MB Flash Large Capacity Programmable Relay Board for Secondary Development Learning\u003c\/h3\u003e \u003cp id=\"b\"\u003e\u003c\/p\u003e \u003ch3\u003eProduct Features\u003c\/h3\u003e \u0026lt; ul class=\"a\"\u0026gt; \u003cli\u003eMature and stable module: This module supports I\/O port as well as UART program download port with all pinouts, programmable buttons and reset buttons, mature and stable. li\u0026gt; \u003c\/li\u003e\u003cli\u003eSafe and harmless: The double relay board is equipped with WiFi and BLE modules, which are harmless to the human body and provide safety for the operator.\u003c\/li\u003e \u003cli\u003eOutput switching signal: This relay board contains a 2-way -5V relay with output switching signal, suitable for controlling loads with operating voltage of AC250V or DC30V or less.\u003c\/li\u003e \u003cli\u003eLarge capacity: This double relay module has a sufficiently large capacity of 4MB, you can use it with the actual situation.\u003c\/li\u003e \u003cli\u003eApplicable scenario: This double relay module is suitable for secondary development learning, smart home, wireless control, etc. If you have similar requirements, this module is suitable for you.\u003c\/li\u003e "}