ESP8266 runs a 32-bit Tensilica core at 80 MHz with an integrated TCP/IP stack and WiFi radio. The ESP8266 Node MCU 12E AMICA combines this chip with USB programming and GPIO access, forming a compact ESP8266 Development Board that handles HTTP requests, MQTT messaging, and sensor reading together without needing a separate network module.
The board follows a narrow form factor that fits directly on a breadboard with access to multiple GPIO pins, ADC, UART, SPI, and I2C. Power comes through Micro USB or Vin. One non-obvious detail — GPIO0, GPIO2, and GPIO15 decide boot mode, so incorrect wiring can stop code upload completely.
It works smoothly with Arduino IDE and Lua firmware. Many students and makers use the Nodemcu8266 board for remote monitoring using ESP8266 or small automation builds. StemVolt keeps this Nodemcu Dev board ready for quick prototyping and testing.
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Check out the ESP Board for IoT applications
Features:
• Breadboard Layout: Narrow pin spacing fits standard breadboards. Quick testing without complex wiring setups.
• Flash Storage: 4MB onboard memory available. Stores firmware, HTML pages, and OTA updates.
• Multiple Interfaces: UART, SPI, I2C supported on GPIO pins. Interfaces easily with sensors and display modules.
• PWM Output: Software PWM supported on GPIO. Controls LED brightness and motor speed.
Technical Specifications:
| Specification | Details |
|---|---|
| Microcontroller | ESP8266 |
| Clock Speed | 80 MHz |
| Flash Memory | 4MB |
| Operating Voltage | 3.3V |
| WiFi | 802.11 b/g/n |
| USB Interface | Micro USB |
| GPIO Pins | Multiple GPIO |
| Communication Protocols | UART, SPI, I2C |
Applications:
- Smart switch board — toggles relays using mobile app over WiFi
- Temperature logger — uploads sensor readings to web server
- IoT door alert — sends notification when door sensor triggers
- ESP8266 Node MCU 12E AMICA automation — manages devices via WiFi
Package Includes:
- 1 × ESP8266 Node MCU 12E AMICA
FAQ:
1. What is ESP8266 Node MCU 12E AMICA used for?
ESP8266 Node MCU 12E AMICA handles WiFi-based automation, sensor monitoring, and web server tasks. It connects directly to routers, making it suitable for IoT builds without external wireless modules.
2. Is Nodemcu8266 board compatible with Arduino IDE?
Nodemcu8266 board works with Arduino IDE after installing ESP8266 board package. You can write sketches, upload via USB, and monitor serial output for debugging and testing.
3. What is the nodemcu 8266 price in India?
Nodemcu 8266 price in India depends on stock and supplier. Buying from StemVolt gives reliable boards tested for stability in projects and faster delivery for development needs.
4. Can ESP8266 Node MCU 12E AMICA run on 5V?
ESP8266 Node MCU 12E AMICA runs on 3.3V logic internally. You can power via USB 5V, but GPIO pins require level shifting when connecting to 5V sensors or modules.
5. Does Nodemcu Dev board support deep sleep mode?
Nodemcu Dev board supports deep sleep using GPIO16 to reset pin wiring. It reduces power consumption significantly, useful in battery-operated remote monitoring using ESP8266 projects.
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