D1 Mini WiFi Development Board – Addicore
The D1 Mini is a small and breadboard compatible WiFi development board based on the ESP8266EX. This board is compatible with the Arduino IDE and with NodeMCU. The board includes an on-board USB Micro connector and USB to serial (UART) converter.
The D1 Mini is a breadboard-compatible WiFi development board based on the ESP8266.
This board is compatible with the Arduino IDE
and with NodeMCU.
All of the I/O pins have interrupt, PWM, I2C, and one-wire capability, except for pin D0.
The board comes with three different sets of header pins: long-pin female headers, standard-pin female headers, and male pin headers. You can solder the set you choose to your board. The long-pin female headers are our favorite since they allow you to plug the board into a breadboard while also having female headers available on top of the board.
The board includes an on-board USB Micro connector and USB to serial (UART) converter, making it easy to power and program the board by simply connecting it to your computer with a USB Micro cable.
We offer a board similar to this called the ESP8266 D1 R2 V2.1.0 WiFi Dev Board that is shaped like the common Arduino UNO footprint.
Note: The D1 Mini is a 3.3V device. If you connect it to 5V digital sensors or devices you may need a logic-level converter, such as our
4-channel or
8-channel logic-level converter modules.
Product Contents:
1 — D1 Mini ESP8266 Dev Board
2 — Long-Pin Female Header 1x8
2 — Standard-Pin Female Header 1x8
2 — Male Pin Header 1x8
Specifications:
Microcontroller
ESP8266
USB ↔ Serial Converter
CH340G
Digital I/O Pins
11 (see note 1 below)
Analog Input Pins
1
Flash Memory
4MB
Board Dimensions (not including pins)
Length
34.2 mm (1.35)
Width
25.6 mm (1.01)
Height
7 mm (0.28)
Weight (including pins)
8.26 g (0.292 oz)
Note 1: All I/O pins have interrupt, PWM, I2C, and one-wire capability, except for D0
Bottom View
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Top View
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Three Header Options
Use the provided sets of header pins to configure your board how you desire.
Long Female Headers
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Female Headers
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Male Headers
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Pinout
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Pins:
Board Pin
Function
ESP8266 Pin
TX
TXD
TXD
RX
RXD
RXD
A0
Analog input
A0
D0
I/O
GPIO16
D1
I/O, SCL
GPIO5
D2
I/O, SDA
GPIO4
D3
I/O, 10k pull-up
GPIO0
D4
I/O, 10k pull-up, BUILTIN_LED
GPIO2
D5
I/O, SCK
GPIO14
D6
I/O, MISO
GPIO12
D7
I/O, MOSI
GPIO13
D8
I/O, 10k pull-down, SS
GPIO15
G
Ground
GND
5V
5V
3V3
3.3V
3.3V
RST
Reset
RST
All I/O pins have interrupt, PWM, I2C, and one-wire capability, except for D0
Dimensions
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Resources:
CH340G Driver:
You will need to install a driver for your computer to recognize the on-board CH340G USB to serial converter.
If you are using Codebender online you do not need to install a driver.
Windows Driver (automatic installer)
Mac OS Driver
Installation instructions
Linux Driver
ESP8266:
ESP8266EX Datasheet
ESP8266 Technical Reference
ESP8266 AT Instruction Set
ESP8266 AT Command Examples
D1 Mini Board Schematic
Example sketch for fading on-board LED (.zip download)
We flash this onto each board before shipping them to you
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