NodeMCU V2 ESP8266 Development Board - WiFi MCU solderless 1 × EZO™ Dissolved Oxygen

1 × EZO™ Dissolved Oxygen Circuit

1 × Vibration Sensor Module SW 420

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Simply connect power to the red and black wires and you will be lasing in no time

NodeMCU V2 ESP8266 Development Board - WiFi MCU solderless 1 × EZO™ Dissolved OxygenNodeMCU V2 ESP8266 The Compact, CP2102 Powered IoT Development Board The NodeMCU V2 (Amica) ESP8266 Development Board is the narrower, more refined generation of the NodeMCU family. With its CP2102 USB to serial chip, compact width, and clean ESP 12E module at its core, it is the preferred NodeMCU for builds where breadboard real estate matters or where you need reliable USB connectivity across macOS, Windows, and Linux without hunting for drivers.