Node MCU ESP8266 V3 (LOLIN CH340 chip)
The All-new NodeMcu ESP8266 V3 CH340 Wifi Dev. Board is a fast leading edge low-cost WiFi technology. Modern high-level mature LUA-based technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I/O pins available.
Modern Internet development tools such as Node.js can take advantage of the NodeMCU with the built-in API to put your idea on the fast track immediately. NodeMCU is built based on the mature ESP8266 technology to take advantage of the abundant resources available on the web.
NodeMCU has ESP-12 based serial WiFi integrated onboard to provide GPIO, PWM, ADC, I2C, and 1-WIRE resources at your fingertips, built-in USB-TTL serial with super reliable industrial strength CH340 for superior stability on all supported platforms. This module is one of the cheapest available wifi modules in the market. V3 or Version3 is the latest version of this module
Comparison:
| Specification | Amica NodeMCU | Lolin NodeMCU | NodeMCU 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 |
| NodeMCU 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 |
Applications:
- Prototyping of IoT devices
- Low power battery operated applications
- Network projects
- Projects requiring multiple I/O interfaces with Wi-Fi and Bluetooth functionalities
Package Includes:
1 x Node MCU ESP8266 V3 (LOLIN CH340 chip)
Specifications:
| Drive Type |
Dual high-power H-bridge |
| Power Input(V) |
4.5 to 9 |
| Communication Interface Voltage(V) |
3.3 |
| Flash size(MB) |
4 |
| Operating Temperature (°C) |
-40 to 125 |
| Transfer Rate(Kbps) |
110 to 460800 |
| AD0 |
1 channel ADC |
| Dimensions (LxWxH) |
49 x 24.5 x 13 mm |
| Weight |
60 gm |
