⚡ Bitcoin Hardware · Always On · Binance Live Feed
A handbuilt ESP32-S3 display that pulls live BTC price from Binance and shows your net worth in real time. No app. No subscription. No bullshit. Built for bitcoiners by a bitcoiner.
Hardware
What it does
Enter your BTC amount in the firmware config. The device multiplies it against the live Binance price and shows your exact net worth, always current.
Provide your extended public key in the config and the device automatically pulls your actual on-chain balance — no private key, fully non-custodial.
Don't want to display holdings? Run it in price-only mode. Live BTC/USD from Binance WebSocket, 24h change, clean and minimal.
Not a 60-second poll. The firmware opens a persistent WebSocket to Binance. Price and net worth update in real time, continuously.
No fan. No moving parts. No noise. Under 500mA on USB-C. Runs on any USB brick, 24/7, indefinitely.
Fully open source on GitHub. Flash your WiFi credentials, BTC amount, and display mode yourself — straightforward setup with the Arduino IDE.
Only 21 million Bitcoin will ever exist. Divided across a world of 8 billion people, owning 6.15 BTC puts you in rarefied air — mathematically impossible for most people to ever achieve. That's the bar. That's the mission. Every sat counts.
// KEEP YOUR STACK IN SIGHT. KEEP STACKING.
The maker
This is a one-man operation. I build these devices by hand and ship them myself. I'm a bitcoiner building things for bitcoiners — no VC money, no team, no warehouse.
Find me on X at @sndbtc. DM me with questions, custom requests, or just to talk Bitcoin.
Order
≈ — BTC at current Binance price · Free USA shipping
// PLACE ORDER
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