NerdMiner v3 (1000 KH/s) USB Lottery Miner

The Bitcoin Lottery in a Box

Every 10 minutes, the Bitcoin network picks a winner. Someone somewhere solves the block and collects the reward — currently 3.125 BTC. Most of the time it's a mining farm with thousands of industrial machines. But every now and then? It's someone's little home miner running quietly on a desk.

The NerdMiner V3 is your ticket in the draw.

It's not an ASIC miner. It doesn't pretend to be. The NerdMiner runs on an ESP32-S3 microcontroller — the same chip you'd find in embedded electronics projects — running open-source firmware that performs real SHA-256 computations and submits real shares to the Bitcoin network. The power draw is about 1 watt. Your electricity cost works out to roughly $2–3 a year.

The odds of winning a block solo are slim. That's the point — it's a lottery. But every hash is a real, valid proof-of-work computation. You're genuinely participating in Bitcoin's security model, not just simulating it.

What It Actually Is

The NerdMiner V3 runs on an ESP32-S3 microcontroller with a 2.8" colour touchscreen display. The open-source NerdMiner firmware (by BitMaker) handles WiFi, the Stratum mining protocol, display output, and SHA-256 hashing across both CPU cores simultaneously.

Everything is open source. The firmware, the hardware design, all of it. You can inspect the code, flash your own builds, contribute to development, or just leave it running stock.

Out of the box, setup takes about 5 minutes:

1. Plug in via USB-C
2. Connect to the "NerdMiner" WiFi hotspot on your phone
3. Enter your home WiFi credentials and Bitcoin address
4. Done. You're mining.

What Shows on the Display

The 2.8" colour touchscreen cycles through several info panels:

• Live hashrate (KH/s)
• Shares submitted
• Best difficulty found so far
• Network difficulty and block height
• Uptime
• WiFi and pool connection status

It's also a decent desk clock.

Who Is This For?

New to Bitcoin mining? This is the perfect entry point. Under $80, 1 watt, completely silent, and it teaches you exactly how Bitcoin mining works without locking you into a $500+ commitment.

Already running a Bitaxe? The NerdMiner makes a great companion piece — or a great gift for someone who keeps asking you what mining is.

Into hardware tinkering? Flash custom firmware, experiment with different pools, build a custom case. The community is active and the codebase is open.

The Honest Bit

The NerdMiner won't pay for itself. That's not the vibe. Most mining pools won't even credit your shares because the difficulty is too low — this is a solo miner, full stop.

What it will do is get you genuinely connected to the Bitcoin network, teach you how Stratum protocol works, let you watch real blocks roll in on the display, and give you a small but real chance at 3.125 BTC every time the network mints a new block.

If you're after serious hashrate, look at the Bitaxe Gamma. If you're after the purest, simplest expression of Bitcoin mining as a concept — this is it.

What's in the Box

• NerdMiner V3 with 2.8" colour touchscreen
• USB-C cable
• NerdMiner firmware pre-flashed and ready to go

Tech Specs