LC-ESP | LC-ESP01-2R-5V

Description

LC-ESP01-2R-5V is a dual-relay board built around an ESP-01 Wi-Fi module. It is commonly used for DIY relay control and can be flashed with ESPHome for Home Assistant.

ESP-01 module

Overview

My Implementation

Not currently deployed; evaluating fit for this setup.

Device Score Summary

CategoryScoreRationale
Features★★★☆☆Core capabilities documented; model-specific depth varies.
Interoperability★★★☆☆Integration available via documented methods.
Setup Ease★★★☆☆Typical setup for this device category.
Cloud Dependency★★★☆☆Depends on integration and firmware options.
Vendor Trust★★★☆☆Based on available documentation and product lineage.
Overall★★★☆☆Solid option when matched to the right use case.

★★★★★ Exceptional | ★★★★☆ Very Good | ★★★☆☆ Good Enough | ★★☆☆☆ Frustrating | ★☆☆☆☆ Avoid

Features

  • Dual relay outputs
  • ESP-01 Wi-Fi module
  • 5V power input
  • DIY-friendly for switching loads
  • ESPHome compatible

Specifications

ProtocolWi-Fi 2.4 GHz
Hub RequiredNo (ESPHome recommended)
Power5V
Cloud DependencyLocal
HA IntegrationESPHome
Voice ControlVia Home Assistant
DimensionsRelay board
WarrantyVaries by vendor

Home Assistant Integration

Integration Method: ESPHome

  • Requirements: ESPHome firmware; USB-serial adapter
  • Entities: Switch entities
  • Setup: Flash ESPHome and adopt in HA
  • Notes: Ensure correct relay wiring and isolation

Practical Considerations

  • Use proper relay isolation for AC loads
  • Power from a stable 5V supply
  • Enclose the board for safety

References