NodeMCU ESP8266 4 Relay Case

NodeMCU ESP8266 4 Relay Case

thingiverse

This calls for assembling a DIY kit that integrates IoT NodeMCU-V3 modules with control and automation projects, requiring a 4-Channel Relay and a reliable power supply. The custom-built box ensures effortless access to the MicroUSB port and all other essential components.

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