ESP8266 D1 Mini Development Board

$10.00 USD $7.00 USD SAVE 30%
The price is for a single piece.
There are 3 pieces in the retail box.
The quantity has to be a multiple of 3.

Flash: 4MB

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Introducing the Lonely Binary ESP8266 D1 Mini Development Board, your ticket to a world of wireless wonders! This tiny yet mighty board, packed with the power of an 80MHz microcontroller and WiFi capabilities, will leave you awestruck. Say goodbye to big, bulky boards and hello to a compact solution that fits in the palm of your hand!

With Lonely Binary by your side, you can easily conquer your IoT sensor node problem. Our ESP8266-based WiFi Mini board is designed to seamlessly integrate with the Arduino IDE, making programming a breeze. Whether you're a seasoned pro or just starting your IoT journey, this board is the perfect companion for unleashing your creativity.

Don't let its size fool you! The Lonely Binary ESP8266 D1 Mini packs a punch with 4MB of flash memory, providing ample space for your programs. With 11 digital IO pins and an analogue input pin, you'll have all the flexibility you need to interface with the world around you. From sensors to actuators, the possibilities are endless.

Imagine a world where your projects effortlessly connect to the vast expanse of the internet. With Lonely Binary as your guide, you can turn this dream into a reality. Create smart home devices, environmental monitoring systems, or even interactive art installations. The power of WiFi is at your fingertips, waiting to be harnessed.

Join the Lonely Binary community and be part of a movement that celebrates innovation and creativity. With our ESP8266 D1 Mini Development Board, you'll be unstoppable. Break free from the constraints of traditional boards and let Lonely Binary fuel your imagination.

Experience the magic of the Lonely Binary ESP8266 D1 Mini Development Board. Let our brand become your trusted companion on your journey to IoT greatness. Embrace the power of connectivity, and let your projects reach new heights. It's time to make your mark in the world of wireless wonders with Lonely Binary!


Tech Specs

Compact and Powerful The Lonely Binary ESP8266 D1 Mini Development Board is a small yet mighty board that packs an 80MHz microcontroller and WiFi capabilities into a form factor no bigger than a coin. Don't let its size fool you, as it delivers impressive performance for your IoT projects.
Arduino IDE Compatible Seamlessly integrate with the Arduino IDE and harness its user-friendly interface and extensive library support. Whether you're a seasoned pro or just starting your IoT journey, our board ensures a smooth and intuitive programming experience.
IoT Sensor Node Solution Tackle your IoT sensor node challenges head-on with the Lonely Binary ESP8266 D1 Mini. It provides a compact and reliable solution to connect your sensors and collect valuable data, enabling you to build smart and efficient systems.
Ample Storage Capacity With 4MB of flash memory, this board offers plenty of space to store your programs and data. No more worrying about running out of memory—unleash your creativity and bring your innovative ideas to life.
Versatile I/O Pins The Lonely Binary ESP8266 D1 Mini features 11 digital IO pins and an analogue input pin, giving you the flexibility to interface with a wide range of devices and components. From sensors to actuators, you have the freedom to create projects that interact with the world around you.
Seamless WiFi Connectivity Harness the power of WiFi and effortlessly connect your projects to the internet. Unlock endless possibilities for remote monitoring, control, and data exchange, making your projects truly smart and connected.
Community and Support Join the vibrant Lonely Binary community, where innovation and collaboration thrive. Gain access to a wealth of resources, tutorials, and support to enhance your learning and take your IoT projects to new heights.
Net Weight 4.5 g
Dimension (L) 35 mm x (W) 25 mm x (H) 5 mm


What’s in the Box

There are 3 pieces in the retail box.
The listing price is for

  • 1 x ESP8266 D1 Mini Board



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


Customer Reviews

Based on 3 reviews
Jonathan Herron
Great service

Order arrived promptly.

David Giles

It works

Mitchell Hine
Loved how they were packed and the little tips

I loved how it was packed and how they included tips with them, they had everything needed and well presented