Freenove Bitcoin Miner Solo Lottery Miner, ESP32 CYD 4.0" Touch Display 320x480 Pixel TN Screen ST7796 Driver, Dual-core 32-bit 240 MHz Microcontroller WiFi+BT Programmable, Code Tutorial
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Availability:
In Stock.
Arrives
Monday, Nov 16
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At a glance
- Condition
- New
- Color
- 4.0 in ST7796 TN Touch
- Model
- FNK0103S
- Screen size
- 4 in
- Resolution
- 320 x 480
- Aspect Ratio
- 16:9
- Screen Finish
- Matte
- In the box
- board
Features 5
- 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: 4.0 inch, 320x480 pixel, TN type TFT, ST7796 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, I2C 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)
Specs 22
| Brand | FREENOVE |
|---|---|
| Screen Size | 4 inches |
| Resolution | 320 x 480 |
| Aspect Ratio | 16:9 |
| Screen Surface Description | Matte |
| Screen Finish | Matte |
| Contrast Ratio | 1000:1 |
| Display Type | TN LCD, 4.0 inch |
| Display Technology | LCD |
| Display Resolution Maximum | 320x480 |
| Native Resolution | 320x480 |
| Processor Count | 2 |
| Connectivity Technology | Bluetooth, USB, Wi-Fi |
| Hardware Connectivity | Bluetooth |
| Additional Features | Portable, Touchscreen |
| Color | 4.0 Inch ST7796 TN Touch |
| Model Number | FNK0103S |
| Model Name | FNK0103S |
| Warranty Description | 1 |
| Manufacturer | Freenove |
| Total Usb Ports | 2 |
| Total USB 3.0 Ports | 1 |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 16
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Be weary of pre loaded profiles
Color: 4.0 Inch ST7796 TN Touch
Came preloaded with someone else's profile, and the instructions to clear them out didn't work. I suspect this particular item was a scam to get someone else to do work for them
Reviewed in the United States on January 1, 2026 by J. Stephan Lundquist
Well documented board with several I/O ports for add on devices, worked for me when others failed
Color: 4.0 Inch ST7796 TN Touch
I came up with a crazy idea to create a digital Etch A Sketch using a screen like this and 2 rotary encoder knobs, decided to use a Cheap Yellow Display (CYD) because it seemed to have everything I would need in one little package, screen, onboard ESP32 for brain, included micro SD card if I wanted to save drawings, etc. I started with a 2.8 board I bought back in 2023, but ran into issues getting enough clean connections to the 3 control pins on both encoder knobs, this board had just enough to get everything working (after much trial and error) and at 4", it is one of the largest in this class. Also, price on Amazon was very competitive if not lower than other sites. I highly recommend this board if your project involves more than just using the screen, if you need to add sensors, etc.
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Reviewed in the United States on March 17, 2026 by Melvin Fields
DONT BUY IT'S TRASH!
Color: 4.0 Inch ST7796 TN Touch
way too many steps to get it connected, it's a pain in the rear, I purchased the other nerd miner the only thing to do is plug and play, this is not the case with this junk. the other one had a plastic case this comes with no case I will be sending this trash back.
Reviewed in the United States on December 9, 2025 by JERRY MACK
Very happy
Color: 4.0 Inch ST7796 TN Touch
I absolutely love this thing. The 4.0 screen is decent and installation isn’t hard if you just take your time. I’ll be buying more. Just talked my buddy into getting some. I’m very pleased. I’d buy again and shipping was as advertised.
Reviewed in the United States on December 4, 2025 by Ken
Missing 2-pin cables
Color: 4.0 Inch ST7796 TN Touch
Really nice board. Im greatly enjoying using it and the tutorials are great! However, I dont understand why the board has 3 2-pin jst connections, but the product only comes with 1 2-pin cable. This is super inconvenient as now I need to get additional jst connectors for my project. Outside of that, works great. If you need all of the IO however, make sure you get some 1.25mm jst connectors / cables.
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Reviewed in the United States on October 16, 2025 by Pawel Cieslewski
Disappointed
Color: 4.0 Inch ST7796 TN Touch
returned item. If it had been plug and play I would have kept them.
Reviewed in the United States on May 2, 2026 by Shane
Great little screen for fun projects
Color: 4.0 Inch ST7796 TN Touch
I bought this ESP32 display to experiment with making my own little gadgets, and it’s been a blast. Everything you need is right on the board- a fast ESP32 chip, a bright 4-inch screen, and tons of ports for adding extras. It even has Wi-Fi and Bluetooth built in, so you can connect it to other devices or the internet. The screen is colorful and clear, and the touch works well with the included stylus (it’s a “resistive” touch screen, so it works better with a bit of pressure instead of just a fingertip). Getting started was simple: I plugged it into my computer with the included USB-C cable, installed the driver and programming software, and I was ready to go. The online tutorials and example projects made it easy to load my first app and see the screen come to life. If you’re into DIY electronics, making smart home gadgets, or just want to learn how to create your own touch-screen projects, this is a great choice. It’s easy to use, fun to experiment with, and packed with possibilities.
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Reviewed in the United States on August 15, 2025 by MediaHouse
I need help
Color: 4.0 Inch ST7796 TN Touch
I got these just couldn’t get it setup due to the pool addresses that came with it are not working what should I do????
Reviewed in the United States on December 29, 2025 by chris