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Presenting you an affordable WiFi development board, the NodeMCU ESP8266, designed to cater to a wide range of wireless applications.
This versatile board equipped with the AMICA-CP2102 driver. It is interactive and programmable, with hardware IO that is reminiscent of Arduino.
The board features a convenient micro USB slot. One of the standout features of the board is its ability to provide seamless internet connectivity to your embedded projects which makes it perfect for Internet of Things (IoT) applications.
With an onboard voltage regulator and 10 GPIO pins, this development board is designed for quick and hassle-free setup. It's an open-source platform, often programmed using the user-friendly Lua language.
The ESP8266 NodeMCU powered by the ESP8266 WiFi Module chip with the ESP-12 SMD footprint, is well-equipped with 4MB flash memory.
Explore the wide range of ESP Modules & Development Board
| Specification | Amica | Lolin | Wroom32 |
| Microcontroller | ESP-8266 32-bit | ESP-8266 32-bit | ESP-WROOM-32 |
| processor | Xtensa single core 32 bit L106 | Xtensa single core 32 bit L106 | Tensillica Xtensa LX6 microprocessor with 2 cores |
| Size | 49mm x 26mm | 58mm x 32mm | 49mm x 25 mm |
| Pin Spacing | 0.9" (22.86mm) | 1.1" (27.94mm) | 0.9" (22.86mm) |
| Clock Speed | 80 MHz | 80 MHz | 160 MHz |
| USB to Serial | CP2102 | CH340G | CP2102 |
| USB Connector | Micro USB | Micro USB | Micro USB |
| Operating Voltage | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V |
| Input Voltage | 4.5V-10V | 4.5V-10V | 4.5V-15V |
| Flash Memory | 4 MB | 4 MB | 4MB |
| SRAM | 64KB | 64KB | 520KB |
| ROM | - | - | 448KB |
| Digital I/O Pins | 11 | 11 | 16 |
| Analog In Pins | 1 | 1 | 16 |
| ADC Range | 0-3.3V | 0-3.3V | 0-3.3V |
| UART | 1 | 1 | 2 |
| SPI | 1 | 1 | 1 |
| I2C | 1 | 1 | 1 |
| CAN | - | - | 2 |
| WiFi Built-In | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
| Bluetooth Built-in | - | - | Bluetooth 4.2 |
| Inbuilt sensor | No inbuilt sensor | No inbuilt sensor | Inbuilt hall sensor, temperature sensor |
Read our blog: What is Nodemcu ESP8266.
With this, we can Control Devices appliances using Android Phone over WiFi. Few generic applications would be in
| Serial/USB Chip |
CP2102 |
| Operating Voltage | 3.3V |
| Output Power(dBm) |
19.5 @802.11b Mode |
| Flash Memory(Mb) |
4 |
| Support |
SDIO 1.1/2.0, SPI, UART |
| Dimensions (mm) |
49 x 24 x 13 |
| Weight (gm) |
8 |
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