Overview
The NodeMCU V2 is the refined, compact version of the popular ESP8266 development board. Its slim design is specifically engineered for breadboard prototyping, making it the preferred choice for engineers who need to test circuits without the bulk of larger modules. It comes pre-flashed with the Lua-based firmware but is fully compatible with the Arduino IDE, giving you the best of both worlds.
Key Features
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Breadboard Optimized: The slim V2 form factor leaves rows of pins open on your breadboard for easy wiring.
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Efficient Connectivity: Built-in WiFi capability allows your projects to talk to the internet, cloud servers, or other devices.
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Reliable Power: Features an onboard 3.3V regulator to ensure stable operation during WiFi transmission spikes.
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Easy Programming: Onboard USB-to-Serial converter makes uploading code as simple as plugging in a USB cable.
Technical Specifications
| Feature | Specification |
| Microcontroller | ESP8266 (Tensilica L106) |
| Form Factor | Slim V2 (Breadboard-friendly) |
| WiFi | 802.11 b/g/n (2.4GHz) |
| GPIO Pins | 13 Digital I/O |
| Power | USB or 3.3V/5V DC Input |
Ideal Applications
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Compact IoT Nodes: Small environment sensors that fit into tight spaces.
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Prototyping: Quick circuit testing on breadboards before moving to a custom PCB.
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Wearables: Lightweight and small enough for portable WiFi-enabled projects.
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Home Automation: Controlling relays, LEDs, or reading sensors remotely.
| Weight | 2000 kg |
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| Dimensions | 22 × 16 × 10 cm |
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