US$ 50.00
Cascadable: Chain multiple modules for larger displays
3mm2) copper wire
In breadboard prototyping
Push Button - Built-in digital button for additional functionality
and onto custom PCBs
ESP8266 NodeMCU CP2102 Board 5 Pin 48V DC Coil Voltage Electromagnetic Power Relay Cascadable: Chain multiple modules forESP8266 NodeMCU CP2102 Board
US$ 50.00
US$ 28.60
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US$ 20.00
US$ 118.15