NodeMCU 0.9 (ESP-12 Module) Development Board
Code name: ESP8266_NODEMCU_ESP12
NodeMCU 0.9 (ESP-12 Module) development board is based on esp8266 microcontroller and uses Xtensa LX106 architecture. This board has a maximum CPU frequency of 160 MHz and a flash size of 4 MB.
About NodeMCU 0.9 (ESP-12 Module)
First-gen NodeMCU ESP8266 board - large form factor, ideal for development and prototyping.
NodeMCU 0.9 (ESP-12 Module) Technical Specifications
🛰️ Connectivity
🧠 Microcontroller
NodeMCU 0.9 (ESP-12 Module) Pinout
NodeMCU 0.9 (ESP-12 Module) Useful Links
NodeMCU 0.9 (ESP-12 Module) Pins Mapping Arduino IDE
Below you can find the NodeMCU 0.9 (ESP-12 Module) pinout. This development board provides digital IO pins, out of which can be used as external interrupt pins and as analog input pins .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | ||||
| 1 | ||||
| 2 | LED_BUILTIN | |||
| 3 | ||||
| 4 | ||||
| 5 | ||||
| 12 | ||||
| 13 | ||||
| 14 | ||||
| 15 | ||||
| 16 | LED_BUILTIN_AUX | |||
| PIN_WIRE_SDA | SDA | |||
| PIN_WIRE_SCL | SCL |
Default Tools for NodeMCU 0.9 (ESP-12 Module)
| Uploader tool | esptool |
| Flash mode | qio |
| Maximum data size | 80 Kb (81920 B) |
The NodeMCU 0.9 (ESP-12 Module) development board by default uses esptool uploader tool, network uploader tool for Over-the-air (OTA) uploads and bootloader tool. The bootloader starts at address "". Flash mode and boot mode for NodeMCU 0.9 (ESP-12 Module) development board by default is qio and respectively.
