NodeMCU WIFI board with CH340 USB chip
Specifications:
- ESP-12E (ESP8266MOD) module
- Single-core 32-bit 80 MHz L106 CPU
- 4 MB Flash memory
- 10 in-/outputs of which 1 analog 10-bit (max. 1 V)
- 3.3 V logic level
- WIFI 802.11 b/g/n
- PWM, I2C, SPI, 1-Wire communication
- USB - UART chip CH340
- micro-USB connection
When programming with the Arduino IDE use the following steps:
1. Insert the URL “http://arduino.esp8266.com/stable/package_esp8266com_index.json” into the field "Additional Boards Manager URLs" which can be found at File -> Preferences - tab Settings
2. Install the ESP8266 package via Tools -> Board -> Boards Manager
3. Select board "NodeMCU 1.0 (ESP-12E Module)" via Tools -> Board
4. Set the CPU Frequency to 80 MHz and the Upload Speed at 115200
5. Compile and upload your sketch
