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Green ESP8266 relay module board with terminal blocks

YINGHUA

YINGHUA Green ESP8266 10A 220V Relay Module

SKU CH-KXDA-REYN7

Controls a 220V 10A load via ESP8266 with 7-30V DC input

  • ESP8266 enables Wi-Fi control for remote switching
  • 10 A 220 V rating handles mains appliances safely
  • DC 7–30 V input works with common power supplies
  • Green PCB aids visual inspection during assembly

Green ESP8266 10A 220V Relay Module

This green ESP8266 relay module switches a 10 A load at 220 V and accepts a DC input range of 7 V to 30 V. It is intended for makers and integrators adding network control to mains-powered devices.

Thermals noise and power draw

The module draws minimal power from the DC supply while the coil is idle and operates silently with no moving parts. Heat generated during normal switching is low and does not require active cooling.

How it compares

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Price $8.99
Cheaper than about 60% of the 1,208 comparable items (median $9.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I wire the DC power to the relay module so the ESP8266 boots?

Apply a DC supply between 7 V and 30 V to the module's input terminals; the on-board regulator then powers the ESP8266 and the relay coil.

What part will wear out first and need replacing?

The mechanical relay contacts are the only moving part; after many switching cycles they can degrade and the whole module would be swapped.

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