Bitcoin Miner BTC V2 NMMiner – Crypto Miner for ESP32 2.8" Smart Display Development Board, 1010 H/s Hashrate, Desktop Solo Lucky Miner Bitcoin Mining Machine for Educational Use - Yellow
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Features
- Plug-and-Play, Stand-Alone Operation: This Bitcoin Miner can operate independently over Wi-Fi as a BTC hashing unit, requiring no external computer or additional hardware. Power it on and connect to the network to begin running. The Bitcoin Mining Machine, designed with education and learning in mind, features an ultra-low power draw and silent performance, making it ideal for beginners, classroom demonstrations, home study environments, and anyone interested in understanding blockchain hashing principles safely and effortlessly
- 2.8-inch Smart Real-Time Display: Equipped with a 2.8-inch intelligent display, this lucky miner presents hashrate, power usage, and real-time operating status clearly at a glance. The intuitive interface enables users to instantly monitor key metrics and adjust settings as needed, thereby improving usability and enhancing hands-on learning and interaction
- Low-Power & Efficient Operation: Built on the ESP32 architecture, this bitcoin miner delivers efficient hashing performance with minimized heat output and reduced energy consumption. Its low-cost, low-maintenance design ensures reliable long-duration operation, making it suitable for continuous educational use, technical exploration, and long-term stable performance without heavy power demand
- Multi-Mode Mining, Flexible Exploration: The Bitcoin Mining Machine offers multi-mode mining and flexible exploration, supporting solo mode, pool connection mode, and lucky mining, allowing users to switch freely based on testing or experimentation needs. Whether for cryptocurrency enthusiasts, developers, or hobbyists experimenting with ESP32-based hashing algorithms, the multi-mode framework offers broad flexibility for technical research and configuration testing
- Wide Compatibility & Versatile Use: Powered by the ESP32 module with Wi-Fi and BLE support, the Lucky Miner can achieve up to 1010 KH/s hashrate through software optimization. The ultra-low power design of the Crypto Miner reduces heat and ensures stable, long-term operation, making it suitable not only as a desktop technical device but also for lab demonstrations, educational display setups, or blockchain-related showcases combining both practicality and visual appeal
Description
SPECIFICATIONS: Compatible Devices: Mobile Phone Model Name: BTCMiner-2026 Primary Use Cases: Educational Tool, Desktop Display Unit Chipset Type: ESP- WROOM-32 Hashrate Module: 1010 KH/s Color: Yellow
Brand: LinToButy
Model Name: BTCMiner-2026
Memory Storage Capacity: 512 KB
CPU Model: Others
CPU Speed: 0.24 GHz
Memory Storage Capacity: 512 KB
CPU Model: Others
Processor Speed: 0.24 GHz
Connectivity Technology: Wi-Fi, BLE, USB
Operating System: FreeRTOS
Processor Brand: Espressif Systems
Compatible Devices: Mobile Phone
RAM Memory Technology: LPDDR2
Processor Count: 1
Total Usb Ports: 1
Smart Home Compatibility: Not Smart Home Compatible
Item Dimensions L x W x H: 3.1"L x 0.5"W x 1.9"H
Brand: LinToButy
Model Name: BTCMiner-2026
Built-In Media: Stylus
UPC: 782926893149
Mfr Part Number: BTCM001
Manufacturer: LinToButy
Warranty Description: 1 Years
Unit Count: 1.0 Count
Item Weight: 0.32 Ounces
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
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To initiate a return, please visit our Returns Center.
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Top Amazon Reviews
Update to the below review (2/18/26) - This item has turned out to be a piece of junk. It's been updated to the latest firmware and it worked for the first 12 hours or so, then it kept trying to re-boot and couldn't re-connect to my wifi. For several days I unplugged it for several hours at a time and it would finally connect, but then it would only stay connected for a few minutes. I've tried re-booting it manually, but it won't re-broadcast a wi-fi for me to connect and reconfigure it again. Now when I hold the reboot button on the back, it just keeps trying to reconnect to my wifi and it fails. It won't even run anymore. I finally just threw it out and am thankful I only lost $25 or so on the purchase. NOT RECOMMENDED AT ALL! ================= Like most other people, I had a problem first setting it up and it wouldn't process past the first 80% to connect. I had to do a flash update of the firmware. If you need to do that as well, I recommend searching for a youtube video by MinerManUSA. I also had trouble assembling the unit because they didn't send all of the correct screws. Only two of them fit (I only received two longers screws; the others were all short), so I only have two screws holding the plates in place. Not a big deal as it still works, but very frustrating. This is what you get when you order products made in China though.
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Reviewed in the United States on February 13, 2026 by Timothy Cahill
I primarily got this to teach my son about bit coin mining. First things first, this is a lottery and you will likely not mine anything at all. That said it's great and educational to link it to a pool and see how things work. It's low power and works great!
Reviewed in the United States on February 26, 2026 by Eric
I’m new to these and I tried setting this up and It kept getting stuck at 80%. Trying to verify the pools that it had pre set into it. I tried changing them to many different ones and none of them worked. After much research and trial and error. I ended up having to re flash the unit and update the software. Tried several different versions and now it’s finally working after 2 1/2 days of messing around with it. Just took allot more time and effort than I initially thought. Once it’s up and running it’s pretty cool though.
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Reviewed in the United States on February 6, 2026 by Kunert DIY
I bought this just as a desk display but it will not upload past 80%. I have reboot it 3x and reset it 1x. No tools are provided. No instructions. Waste of money. I’ll be returning it today. Take your own advice and “Make it better”
Reviewed in the United States on February 2, 2026 by Heather J
Purchased this to add to my array of experimental BTC lottery miners. Flashed with MNminer and connected to public pool. These ESP32-2.8 Display development boards are easy to set up for instruction and functional use. Looks good for the money and works as expected.
Reviewed in the United States on February 6, 2026 by Walker Dan
Takes a bit to setup but once you figure it out and put in your wallet address and update the firmware to the newest it works. Set up internet first then type the ip address into your browser to connect to it for initial setup. There are a few YouTube videos for easier instructions.
Reviewed in the United States on March 23, 2026 by Ian Blackwell
This is a fun novelty and conversation piece. One Major issue, is the wife connection once it is established to your network doesn't change anything. i had mine working for a few days, had to move it accross my office and it would not connect after re plugging it in again, the resets dont really work all that great and there are next to no instructions included or on the web. It seems a lot of people who bought this have the same problem. Botom line it you purchase this, do npot make any changes.
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Reviewed in the United States on February 26, 2026 by deep diver
No still can't get it to work right
Reviewed in the United States on February 20, 2026 by Stephen edwards