{"id":9533235626221,"title":"ESP32-C3 Relay Module, 2-Channel Low-Level Trigger Board | Smart Home Relay Expansion Board, Support ESPHome \u0026 Home Assistant, USB-C \/ 5V Terminal Power Options for DIY Remote Control ESP32-C3 + Relay","handle":"esp32-c3-relay-module-2-channel-low-level-trigger-board-smart-home-relay-expansion-board-support-esphome-home-assistant-usb-c-5v-terminal-power-options-for-diy-remote-control-esp32-c3-relay","description":"\u003ch3\u003eESP32-C3 Relay Module, 2-Channel Low-Level Trigger Board | Smart Home Relay Expansion Board, Support ESPHome \u0026amp; Home Assistant, USB-C \/ 5V Terminal Power Options for DIY Remote Control\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eUpgrade your smart home projects with this 2-Channel Relay Module designed\nspecifically for ESP32-C3 development boards. Eliminate messy breadboard\nconnections and tedious wiring—simply plug in your ESP32-C3 board (Included)\nto start building custom remote-controlled switches and automation\nsystems.Native support for ESPHome and Home Assistant ensures smooth\nintegration into your existing home network. We provide complete GitHub\ndocumentation along with ready-to-use ESPHome example code to help you get\nstarted immediately.Docs: github.com\/nulllaborg\/esp32-c3-relay-moduleKey\nOperating Modes 1. Type-C Powered: Connect an ESP32-C3 and power the setup\ndirectly via the Type-C USB port. The onboard socket connects directly to the\nESP32-C3's 5V, GND, GPIO5, and GPIO6 pins (power supply and dual-channel relay\ncontrol signals). 2. Terminal Powered: Connect an ESP32-C3 and power via the\n5V screw terminal block. 3. External Microcontroller Use: Connect directly to\nother controllers using the standard PH2.0-4Pin interface (Support 3.3V \/5V).\n4. Sensor Expansion Mode: Plug in an ESP32-C3 while utilizing extra header\npins to connect external sensors (e.g., temperature, motion, or light\nsensors).Specifications Channels: 2-Channel Relay Max Load Rating: AC 250V \/\n10A | DC 30V \/ 10A Trigger Type: Low-Level Trigger Compatibility: ESP32-C3,\nESPHome, Home Assistant, general microcontrollers (via PH2.0-4Pin) Power\nSupply Options: Type-C USB or 5V Screw Terminal\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eDirect ESP32-C3 Plug-and-Play Design: Seamlessly connects with ESP32-C3 development boards without complex wiring. Ideal for quick DIY setup of smart home automation and remote control projects. The onboard socket connects directly to the ESP32-C3's 5V, GND, GPIO5, and GPIO6 pins (power supply and dual-channel relay control signals).\u003c\/li\u003e\n \u003cli\u003eESPHome \u0026amp; Home Assistant Ready: Fully compatible with ESPHome and Home Assistant platforms. Includes GitHub documentation and practical code examples for rapid integration into your smart home network.\u003c\/li\u003e\n \u003cli\u003eVersatile Power Options: Flexible power input via Type-C USB port or 5V screw terminal block, allowing reliable power delivery based on your specific setup needs.\u003c\/li\u003e\n \u003cli\u003e4 Flexible Operating Modes: Supports Type-C power, 5V terminal power, standalone PH2.0-4Pin connection to external microcontrollers, and pin expansion for attaching extra sensors alongside the ESP32-C3.\u003c\/li\u003e\n \u003cli\u003eReliable Low-Level Trigger: Features 2-channel low-level trigger relays for accurate and stable signal control, suitable for switching household appliances and low-voltage circuits.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-08-17T22:13:54+10:00","created_at":"2026-08-17T17:41:01+10:00","vendor":"NULLLAB","type":"Single Board Computers","tags":["electronics_NR_Aug2026"],"price":10800,"price_min":10800,"price_max":10800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50497910735085,"title":"ESP32-C3 + Relay","option1":"ESP32-C3 + Relay","option2":null,"option3":null,"sku":"B0H7RVJ34X","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ESP32-C3 Relay Module, 2-Channel Low-Level Trigger Board | Smart Home Relay Expansion Board, Support ESPHome \u0026 Home Assistant, USB-C \/ 5V Terminal Power Options for DIY Remote Control ESP32-C3 + Relay - ESP32-C3 + Relay","public_title":"ESP32-C3 + Relay","options":["ESP32-C3 + Relay"],"price":10800,"weight":57,"compare_at_price":null,"inventory_management":"shopify","barcode":"751580819901","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0H7RVJ34X.jpg?v=1786952464","\/\/leoforward.com\/cdn\/shop\/files\/71eli9AekEL.jpg?v=1786952463","\/\/leoforward.com\/cdn\/shop\/files\/71ky_yygxUL.jpg?v=1786952463","\/\/leoforward.com\/cdn\/shop\/files\/81CYg4fmMKL.jpg?v=1786952463","\/\/leoforward.com\/cdn\/shop\/files\/71tTbCOKwPL.jpg?v=1786952464","\/\/leoforward.com\/cdn\/shop\/files\/815gVF2HlaL.jpg?v=1786952464"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0H7RVJ34X.jpg?v=1786952464","options":["Color"],"media":[{"alt":null,"id":41583196569837,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0H7RVJ34X.jpg?v=1786952464"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0H7RVJ34X.jpg?v=1786952464","width":2560},{"alt":null,"id":41583196602605,"position":2,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71eli9AekEL.jpg?v=1786952463"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71eli9AekEL.jpg?v=1786952463","width":2000},{"alt":null,"id":41583196635373,"position":3,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71ky_yygxUL.jpg?v=1786952463"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71ky_yygxUL.jpg?v=1786952463","width":2000},{"alt":null,"id":41583196668141,"position":4,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/81CYg4fmMKL.jpg?v=1786952463"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/81CYg4fmMKL.jpg?v=1786952463","width":2560},{"alt":null,"id":41583196700909,"position":5,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71tTbCOKwPL.jpg?v=1786952464"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71tTbCOKwPL.jpg?v=1786952464","width":2560},{"alt":null,"id":41583196733677,"position":6,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/815gVF2HlaL.jpg?v=1786952464"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/815gVF2HlaL.jpg?v=1786952464","width":2560}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eESP32-C3 Relay Module, 2-Channel Low-Level Trigger Board | Smart Home Relay Expansion Board, Support ESPHome \u0026amp; Home Assistant, USB-C \/ 5V Terminal Power Options for DIY Remote Control\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eUpgrade your smart home projects with this 2-Channel Relay Module designed\nspecifically for ESP32-C3 development boards. Eliminate messy breadboard\nconnections and tedious wiring—simply plug in your ESP32-C3 board (Included)\nto start building custom remote-controlled switches and automation\nsystems.Native support for ESPHome and Home Assistant ensures smooth\nintegration into your existing home network. We provide complete GitHub\ndocumentation along with ready-to-use ESPHome example code to help you get\nstarted immediately.Docs: github.com\/nulllaborg\/esp32-c3-relay-moduleKey\nOperating Modes 1. Type-C Powered: Connect an ESP32-C3 and power the setup\ndirectly via the Type-C USB port. The onboard socket connects directly to the\nESP32-C3's 5V, GND, GPIO5, and GPIO6 pins (power supply and dual-channel relay\ncontrol signals). 2. Terminal Powered: Connect an ESP32-C3 and power via the\n5V screw terminal block. 3. External Microcontroller Use: Connect directly to\nother controllers using the standard PH2.0-4Pin interface (Support 3.3V \/5V).\n4. Sensor Expansion Mode: Plug in an ESP32-C3 while utilizing extra header\npins to connect external sensors (e.g., temperature, motion, or light\nsensors).Specifications Channels: 2-Channel Relay Max Load Rating: AC 250V \/\n10A | DC 30V \/ 10A Trigger Type: Low-Level Trigger Compatibility: ESP32-C3,\nESPHome, Home Assistant, general microcontrollers (via PH2.0-4Pin) Power\nSupply Options: Type-C USB or 5V Screw Terminal\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eDirect ESP32-C3 Plug-and-Play Design: Seamlessly connects with ESP32-C3 development boards without complex wiring. Ideal for quick DIY setup of smart home automation and remote control projects. The onboard socket connects directly to the ESP32-C3's 5V, GND, GPIO5, and GPIO6 pins (power supply and dual-channel relay control signals).\u003c\/li\u003e\n \u003cli\u003eESPHome \u0026amp; Home Assistant Ready: Fully compatible with ESPHome and Home Assistant platforms. Includes GitHub documentation and practical code examples for rapid integration into your smart home network.\u003c\/li\u003e\n \u003cli\u003eVersatile Power Options: Flexible power input via Type-C USB port or 5V screw terminal block, allowing reliable power delivery based on your specific setup needs.\u003c\/li\u003e\n \u003cli\u003e4 Flexible Operating Modes: Supports Type-C power, 5V terminal power, standalone PH2.0-4Pin connection to external microcontrollers, and pin expansion for attaching extra sensors alongside the ESP32-C3.\u003c\/li\u003e\n \u003cli\u003eReliable Low-Level Trigger: Features 2-channel low-level trigger relays for accurate and stable signal control, suitable for switching household appliances and low-voltage circuits.\u003c\/li\u003e\n \u003c\/ul\u003e"}