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Freenove Bitcoin Miner Solo Lottery Miner, ESP32 CYD 2.8" Touch Display 240x320 Pixel TN Screen ST7789 Driver, Dual-core 32-bit 240 MHz Microcontroller WiFi+BT Programmable, Code Tutorial
Brand: FREENOVE
Condition: Used
$2159
$2270
-5% Save $111
Updated: 3 days ago
Description
Bitcoin Miner (Miner Software may not be Pre-installed, or Needs to be Upgraded to get 630 KH/s): This small device can be used as a complete bitcoin miner, which only needs to connect USB power and Wi-Fi to run (Need a smartphone for first-time setup) (Need a computer to install or upgrade miner software, provide a tutorial to show how)
Onboard ESP32 Module: Dual-core 32-bit microprocessor up to 240 MHz, 4 MB flash, 520 KB SRAM, 448 KB ROM, 2.4 GHz Wi-Fi and Bluetooth 4.2 (LE)
Onboard Screen: 2.8 inch, 240x320 pixel, TN type TFT, ST7789 driver IC, 4-wire SPI communication, single-point resistive touch screen (Note: Resistive touch screens require a certain amount of pressure to recognize touch inputs. Fingers may not be recognized well, please use your nails or the stylus provided)
Ports and Devices: Memory card slot, USB-C port, serial port, SPI port, input pin port, speaker port, battery port, RGB LED, BOOT key, RESET key
Tutorial and Code: Example projects for ESP32 and LVGL GUI library (The tutorial link can be found on the product box, no paper tutorial)
Purchase Options:
This kit has several purchasing options.
Each option has different screen specifications and drivers.
Overview:
This ESP32 touchscreen monitor is a complete bitcoin miner, which only needs to connect USB power and Wi-Fi to run.
It is also programmable, just connect it to your computer with the USB cable to program it.
We provide free technical support to help you with any questions and problems.
Tutorial:
Comes with multiple detailed tutorials. (Download or view online, no paper tutorial.)
Including guide for miner firmware, several typical projects for ESP32 and LVGL GUI library.
The tutorial link can be found on the product box.
Contents of Miner Tutorial:
Preface
Obtaining the BTC Receiving Address
Freenove Miner
Project Introduction
Precautions
Compatibility Description
How to Use
Management Tools
Compatible Miner
Project Introduction
Precautions
Compatibility Description
How to Use
Management Tools
Contents of Main Tutorial:
Preface
Chapter 1 Serial
Chapter 2 RGB
Chapter 3 Button
Chapter 4 Button Interrupt
Chapter 5 Voltage
Chapter 6 Memory Card
Chapter 7 Play Music
Chapter 8 BLE
Chapter 9 WIFI Web Server
Chapter 10 TFT Screen
Chapter 11 TFT Touch Calibrate
Chapter 12 TFT Touch Draw
Chapter 13 LVGL
Chapter 14 LVGL Picture
Chapter 15 LVGL Timer
Chapter 16 LVGL RGB
Chapter 17 LVGL Music
Chapter 18 LVGL Multifunctionality
Chapter 19 LVGL Demo
What's Next?
Package Includes:
1 x Touchscreen monitor
1 x Stylus
1 x USB A to C cable
2 x Connecting cable (4P)
1 x Connecting cable (2P)
This kit has several purchasing options.
Each option has different screen specifications and drivers.
Overview:
This ESP32 touchscreen monitor is a complete bitcoin miner, which only needs to connect USB power and Wi-Fi to run.
It is also programmable, just connect it to your computer with the USB cable to program it.
We provide free technical support to help you with any questions and problems.
Tutorial:
Comes with multiple detailed tutorials. (Download or view online, no paper tutorial.)
Including guide for miner firmware, several typical projects for ESP32 and LVGL GUI library.
The tutorial link can be found on the product box.
Contents of Miner Tutorial:
Preface
Obtaining the BTC Receiving Address
Freenove Miner
Project Introduction
Precautions
Compatibility Description
How to Use
Management Tools
Compatible Miner
Project Introduction
Precautions
Compatibility Description
How to Use
Management Tools
Contents of Main Tutorial:
Preface
Chapter 1 Serial
Chapter 2 RGB
Chapter 3 Button
Chapter 4 Button Interrupt
Chapter 5 Voltage
Chapter 6 Memory Card
Chapter 7 Play Music
Chapter 8 BLE
Chapter 9 WIFI Web Server
Chapter 10 TFT Screen
Chapter 11 TFT Touch Calibrate
Chapter 12 TFT Touch Draw
Chapter 13 LVGL
Chapter 14 LVGL Picture
Chapter 15 LVGL Timer
Chapter 16 LVGL RGB
Chapter 17 LVGL Music
Chapter 18 LVGL Multifunctionality
Chapter 19 LVGL Demo
What's Next?
Package Includes:
1 x Touchscreen monitor
1 x Stylus
1 x USB A to C cable
2 x Connecting cable (4P)
1 x Connecting cable (2P)
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-ca-b0ffz52yv5
- Model:
- FNK0103B
- Country:
- CA
- ASIN:
- B0FFZ52YV5
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $1 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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