| Price | $5 |
|---|---|
| Category | Microcontrollers |
| Availability | In stock |
| Delivery | Shipped across Lebanon, or collect from the lab |
The easiest way into ESP8266 Wi-Fi. NodeMCU puts an ESP-12E module - an ESP8266EX at 80 or 160 MHz with 4 MB of flash - on a breadboard-friendly board with a USB socket, a 3.3V regulator and reset and flash buttons, so there is no adapter to buy and no jumper wire to hold down while flashing. Nine GPIO pins (D0-D8) plus one 0-3.3V analog input are broken out. Everything on it is 3.3V logic, so do not feed a 5V sensor output straight into a pin.
Key features
- ESP-12E module: ESP8266EX at 80/160 MHz with 4 MB flash
- Wi-Fi 802.11 b/g/n on 2.4 GHz
- Programs over USB - no separate serial adapter needed
- 9 usable GPIO (D0-D8) plus one 10-bit analog input, 0-3.3V
- On-board 3.3V regulator, reset and flash buttons
- 3.3V logic - not 5V tolerant
- Arduino IDE, MicroPython and Lua all supported
Details
Specifications
| Model | NodeMCU (ESP-12E / ESP8266) |
|---|---|
| Chipset | ESP8266EX, Tensilica L106 32-bit |
| Clock speed | 80 MHz (160 MHz selectable) |
| Flash memory | 4 MB |
| SRAM | 64 KB instruction / 96 KB data |
| Wireless | Wi-Fi 802.11 b/g/n, 2.4 GHz |
| Digital I/O | 9 usable GPIO (D0-D8), plus RX/TX |
| Analog inputs | 1 (A0), 0-3.3V via on-board divider |
| ADC resolution | 10-bit |
| Logic voltage | 3.3V (not 5V tolerant) |
| Power input | 5V via Micro-USB, or the VIN pin |
| USB connector | Micro-USB |
| Header | 30-pin, breadboard-friendly |
