WeMos D1 mini - Mini NodeMcu 4M bytes
Development platform based on ESP8266 chip
What's new with D1 mini Pro
- 16M bytes(128M bit) Flash
- External antenna connector
- Built-in ceramic antenna
- New CP2104 USB-TO-UART IC
- Same size as D1 mini, but more light
D1 mini Pro | D1 mini V2 | |
Flash | 16M bytes(128M bit) | 4M bytes(32M bit) |
USB-TO-UART IC | CP2104 | CH340G |
Antenna | Built-in ceramic antenna or External antenna | PCB antenna |
Weight(without pins) | 2.5g | 3.9g |
Thickness | 3.6mm | 6.7mm |
Description:
The D1 mini Pro is a mini wifi board based on ESP-8266EX.
Features:
- 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
- 1 analog input(3.2V max input)
- a Micro USB connection
- Compatible with Arduino
- Compatible with nodemcu
Technical specs
Microcontroller |
ESP-8266EX |
Operating Voltage |
3.3V |
Digital I/O Pins |
11 |
Analog Input Pins |
1(Max input: 3.2V) |
Clock Speed |
80MHz/160MHz |
Flash |
16M bytes |
Length |
34.2mm |
Width |
25.6mm |
Weight |
2.5 |
Pin
Pin |
Function |
ESP-8266 Pin |
TX |
TXD |
TXD |
RX |
RXD |
RXD |
A0 |
Analog input, max 3.3V input |
A0 |
D0 |
IO |
GPIO16 |
D1 |
IO, SCL |
GPIO5 |
D2 |
IO, SDA |
GPIO4 |
D3 |
IO, 10k Pull-up |
GPIO0 |
D4 |
IO, 10k Pull-up, BUILTIN_LED |
GPIO2 |
D5 |
IO, SCK |
GPIO14 |
D6 |
IO, MISO |
GPIO12 |
D7 |
IO, MOSI |
GPIO13 |
D8 |
IO, 10k Pull-down, SS |
GPIO15 |
G |
Ground |
GND |
5V |
5V |
- |
3V3 |
3.3V |
3.3V |
RST |
Reset |
RST |
All of the IO pins have interrupt/pwm/I2C/one-wire support except D0
All of the IO pins run at 3.3V.
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